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  7. Util

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  89. <FONT SIZE="-1">

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  90. aima.core.util</FONT>

    91. 

  91. <BR>

    92. 

  92. Class Util</H2>

    93. 

  93. <PRE>

    94. 

  94. java.lang.Object

    95. 

  95.   <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>aima.core.util.Util</B>

    96. 

  96. </PRE>

    97. 

  97. <HR>

    98. 

  98. <DL>

    99. 

  99. <DT><PRE>public class <B>Util</B><DT>extends java.lang.Object</DL>

    100. 

  100. </PRE>

    101. 

  101. 

    102. 

  102. <P>

    103. 

  103. <DL>

    104. 

  104. <DT><B>Author:</B></DT>

    105. 

  105.   <DD>Ravi Mohan</DD>

    106. 

  106. </DL>

    107. 

  107. <HR>

    108. 

  108. 

    109. 

  109. <P>

    110. 

  110. <!-- =========== FIELD SUMMARY =========== -->

    111. 

  111. 

    112. 

  112. <A NAME="field_summary"><!-- --></A>

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  115. <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">

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  116. <B>Field Summary</B></FONT></TH>

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  117. </TR>

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  118. <TR BGCOLOR="white" CLASS="TableRowColor">

    119. 

  119. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    120. 

  120. <CODE>static&nbsp;java.lang.String</CODE></FONT></TD>

    121. 

  121. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#NO">NO</A></B></CODE>

    122. 

  122. 

    123. 

  123. <BR>

    124. 

  124. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    125. 

  125. </TR>

    126. 

  126. <TR BGCOLOR="white" CLASS="TableRowColor">

    127. 

  127. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    128. 

  128. <CODE>static&nbsp;java.lang.String</CODE></FONT></TD>

    129. 

  129. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#YES">YES</A></B></CODE>

    130. 

  130. 

    131. 

  131. <BR>

    132. 

  132. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    133. 

  133. </TR>

    134. 

  134. </TABLE>

    135. 

  135. &nbsp;

    136. 

  136. <!-- ======== CONSTRUCTOR SUMMARY ======== -->

    137. 

  137. 

    138. 

  138. <A NAME="constructor_summary"><!-- --></A>

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  139. <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">

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  140. <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">

    141. 

  141. <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">

    142. 

  142. <B>Constructor Summary</B></FONT></TH>

    143. 

  143. </TR>

    144. 

  144. <TR BGCOLOR="white" CLASS="TableRowColor">

    145. 

  145. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#Util()">Util</A></B>()</CODE>

    146. 

  146. 

    147. 

  147. <BR>

    148. 

  148. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    149. 

  149. </TR>

    150. 

  150. </TABLE>

    151. 

  151. &nbsp;

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  152. <!-- ========== METHOD SUMMARY =========== -->

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  153. 

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  154. <A NAME="method_summary"><!-- --></A>

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  156. <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">

    157. 

  157. <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">

    158. 

  158. <B>Method Summary</B></FONT></TH>

    159. 

  159. </TR>

    160. 

  160. <TR BGCOLOR="white" CLASS="TableRowColor">

    161. 

  161. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    162. 

  162. <CODE>static&nbsp;double</CODE></FONT></TD>

    163. 

  163. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#calculateMean(java.util.List)">calculateMean</A></B>(java.util.List&lt;java.lang.Double&gt;&nbsp;lst)</CODE>

    164. 

  164. 

    165. 

  165. <BR>

    166. 

  166. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    167. 

  167. </TR>

    168. 

  168. <TR BGCOLOR="white" CLASS="TableRowColor">

    169. 

  169. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    170. 

  170. <CODE>static&nbsp;double</CODE></FONT></TD>

    171. 

  171. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#calculateStDev(java.util.List, double)">calculateStDev</A></B>(java.util.List&lt;java.lang.Double&gt;&nbsp;values,

    172. 

  172.                double&nbsp;mean)</CODE>

    173. 

  173. 

    174. 

  174. <BR>

    175. 

  175. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    176. 

  176. </TR>

    177. 

  177. <TR BGCOLOR="white" CLASS="TableRowColor">

    178. 

  178. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    179. 

  179. <CODE>static&nbsp;void</CODE></FONT></TD>

    180. 

  180. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#checkForNanOrInfinity(double)">checkForNanOrInfinity</A></B>(double&nbsp;d)</CODE>

    181. 

  181. 

    182. 

  182. <BR>

    183. 

  183. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    184. 

  184. </TR>

    185. 

  185. <TR BGCOLOR="white" CLASS="TableRowColor">

    186. 

  186. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    187. 

  187. <CODE>static

    188. 

  188. <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">

    189. 

  189. <TR ALIGN="right" VALIGN="">

    190. 

  190. <TD NOWRAP><FONT SIZE="-1">

    191. 

  191. <CODE>&lt;K,V&gt; java.util.Map&lt;K,V&gt;</CODE></FONT></TD>

    192. 

  192. </TR>

    193. 

  193. </TABLE>

    194. 

  194. </CODE></FONT></TD>

    195. 

  195. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#create(java.util.Collection, V)">create</A></B>(java.util.Collection&lt;K&gt;&nbsp;keys,

    196. 

  196.        V&nbsp;value)</CODE>

    197. 

  197. 

    198. 

  198. <BR>

    199. 

  199. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a Map<K, V> with the passed in keys having their values
    200. 

  200.  initialized to the passed in value.</TD>

    201. 

  201. </TR>

    202. 

  202. <TR BGCOLOR="white" CLASS="TableRowColor">

    203. 

  203. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    204. 

  204. <CODE>static

    205. 

  205. <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">

    206. 

  206. <TR ALIGN="right" VALIGN="">

    207. 

  207. <TD NOWRAP><FONT SIZE="-1">

    208. 

  208. <CODE>&lt;T&gt; T</CODE></FONT></TD>

    209. 

  209. </TR>

    210. 

  210. </TABLE>

    211. 

  211. </CODE></FONT></TD>

    212. 

  212. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#first(java.util.List)">first</A></B>(java.util.List&lt;T&gt;&nbsp;l)</CODE>

    213. 

  213. 

    214. 

  214. <BR>

    215. 

  215. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the first element from a list.</TD>

    216. 

  216. </TR>

    217. 

  217. <TR BGCOLOR="white" CLASS="TableRowColor">

    218. 

  218. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    219. 

  219. <CODE>static&nbsp;double</CODE></FONT></TD>

    220. 

  220. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#generateRandomDoubleBetween(double, double)">generateRandomDoubleBetween</A></B>(double&nbsp;lowerLimit,

    221. 

  221.                             double&nbsp;upperLimit)</CODE>

    222. 

  222. 

    223. 

  223. <BR>

    224. 

  224. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    225. 

  225. </TR>

    226. 

  226. <TR BGCOLOR="white" CLASS="TableRowColor">

    227. 

  227. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    228. 

  228. <CODE>static&nbsp;double</CODE></FONT></TD>

    229. 

  229. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#information(double[])">information</A></B>(double[]&nbsp;probabilities)</CODE>

    230. 

  230. 

    231. 

  231. <BR>

    232. 

  232. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    233. 

  233. </TR>

    234. 

  234. <TR BGCOLOR="white" CLASS="TableRowColor">

    235. 

  235. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    236. 

  236. <CODE>static&nbsp;double</CODE></FONT></TD>

    237. 

  237. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#log2(double)">log2</A></B>(double&nbsp;d)</CODE>

    238. 

  238. 

    239. 

  239. <BR>

    240. 

  240. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    241. 

  241. </TR>

    242. 

  242. <TR BGCOLOR="white" CLASS="TableRowColor">

    243. 

  243. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    244. 

  244. <CODE>static&nbsp;int</CODE></FONT></TD>

    245. 

  245. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#max(int, int)">max</A></B>(int&nbsp;i,

    246. 

  246.     int&nbsp;j)</CODE>

    247. 

  247. 

    248. 

  248. <BR>

    249. 

  249. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    250. 

  250. </TR>

    251. 

  251. <TR BGCOLOR="white" CLASS="TableRowColor">

    252. 

  252. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    253. 

  253. <CODE>static&nbsp;int</CODE></FONT></TD>

    254. 

  254. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#max(int, int, int)">max</A></B>(int&nbsp;i,

    255. 

  255.     int&nbsp;j,

    256. 

  256.     int&nbsp;k)</CODE>

    257. 

  257. 

    258. 

  258. <BR>

    259. 

  259. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    260. 

  260. </TR>

    261. 

  261. <TR BGCOLOR="white" CLASS="TableRowColor">

    262. 

  262. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    263. 

  263. <CODE>static&nbsp;int</CODE></FONT></TD>

    264. 

  264. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#min(int, int)">min</A></B>(int&nbsp;i,

    265. 

  265.     int&nbsp;j)</CODE>

    266. 

  266. 

    267. 

  267. <BR>

    268. 

  268. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    269. 

  269. </TR>

    270. 

  270. <TR BGCOLOR="white" CLASS="TableRowColor">

    271. 

  271. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    272. 

  272. <CODE>static&nbsp;int</CODE></FONT></TD>

    273. 

  273. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#min(int, int, int)">min</A></B>(int&nbsp;i,

    274. 

  274.     int&nbsp;j,

    275. 

  275.     int&nbsp;k)</CODE>

    276. 

  276. 

    277. 

  277. <BR>

    278. 

  278. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    279. 

  279. </TR>

    280. 

  280. <TR BGCOLOR="white" CLASS="TableRowColor">

    281. 

  281. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    282. 

  282. <CODE>static

    283. 

  283. <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">

    284. 

  284. <TR ALIGN="right" VALIGN="">

    285. 

  285. <TD NOWRAP><FONT SIZE="-1">

    286. 

  286. <CODE>&lt;T&gt; T</CODE></FONT></TD>

    287. 

  287. </TR>

    288. 

  288. </TABLE>

    289. 

  289. </CODE></FONT></TD>

    290. 

  290. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#mode(java.util.List)">mode</A></B>(java.util.List&lt;T&gt;&nbsp;l)</CODE>

    291. 

  291. 

    292. 

  292. <BR>

    293. 

  293. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    294. 

  294. </TR>

    295. 

  295. <TR BGCOLOR="white" CLASS="TableRowColor">

    296. 

  296. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    297. 

  297. <CODE>static&nbsp;double[]</CODE></FONT></TD>

    298. 

  298. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#normalize(double[])">normalize</A></B>(double[]&nbsp;probDist)</CODE>

    299. 

  299. 

    300. 

  300. <BR>

    301. 

  301. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    302. 

  302. </TR>

    303. 

  303. <TR BGCOLOR="white" CLASS="TableRowColor">

    304. 

  304. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    305. 

  305. <CODE>static&nbsp;java.util.List&lt;java.lang.Double&gt;</CODE></FONT></TD>

    306. 

  306. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#normalize(java.util.List)">normalize</A></B>(java.util.List&lt;java.lang.Double&gt;&nbsp;values)</CODE>

    307. 

  307. 

    308. 

  308. <BR>

    309. 

  309. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    310. 

  310. </TR>

    311. 

  311. <TR BGCOLOR="white" CLASS="TableRowColor">

    312. 

  312. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    313. 

  313. <CODE>static&nbsp;java.util.List&lt;java.lang.Double&gt;</CODE></FONT></TD>

    314. 

  314. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#normalizeFromMeanAndStdev(java.util.List, double, double)">normalizeFromMeanAndStdev</A></B>(java.util.List&lt;java.lang.Double&gt;&nbsp;values,

    315. 

  315.                           double&nbsp;mean,

    316. 

  316.                           double&nbsp;stdev)</CODE>

    317. 

  317. 

    318. 

  318. <BR>

    319. 

  319. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    320. 

  320. </TR>

    321. 

  321. <TR BGCOLOR="white" CLASS="TableRowColor">

    322. 

  322. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    323. 

  323. <CODE>static&nbsp;java.lang.String</CODE></FONT></TD>

    324. 

  324. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#ntimes(java.lang.String, int)">ntimes</A></B>(java.lang.String&nbsp;s,

    325. 

  325.        int&nbsp;n)</CODE>

    326. 

  326. 

    327. 

  327. <BR>

    328. 

  328. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    329. 

  329. </TR>

    330. 

  330. <TR BGCOLOR="white" CLASS="TableRowColor">

    331. 

  331. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    332. 

  332. <CODE>static&nbsp;boolean</CODE></FONT></TD>

    333. 

  333. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#randomBoolean()">randomBoolean</A></B>()</CODE>

    334. 

  334. 

    335. 

  335. <BR>

    336. 

  336. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    337. 

  337. </TR>

    338. 

  338. <TR BGCOLOR="white" CLASS="TableRowColor">

    339. 

  339. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    340. 

  340. <CODE>static&nbsp;int</CODE></FONT></TD>

    341. 

  341. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#randomNumberBetween(int, int)">randomNumberBetween</A></B>(int&nbsp;i,

    342. 

  342.                     int&nbsp;j)</CODE>

    343. 

  343. 

    344. 

  344. <BR>

    345. 

  345. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    346. 

  346. </TR>

    347. 

  347. <TR BGCOLOR="white" CLASS="TableRowColor">

    348. 

  348. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    349. 

  349. <CODE>static

    350. 

  350. <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">

    351. 

  351. <TR ALIGN="right" VALIGN="">

    352. 

  352. <TD NOWRAP><FONT SIZE="-1">

    353. 

  353. <CODE>&lt;T&gt; java.util.List&lt;T&gt;</CODE></FONT></TD>

    354. 

  354. </TR>

    355. 

  355. </TABLE>

    356. 

  356. </CODE></FONT></TD>

    357. 

  357. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#removeFrom(java.util.List, T)">removeFrom</A></B>(java.util.List&lt;T&gt;&nbsp;list,

    358. 

  358.            T&nbsp;member)</CODE>

    359. 

  359. 

    360. 

  360. <BR>

    361. 

  361. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    362. 

  362. </TR>

    363. 

  363. <TR BGCOLOR="white" CLASS="TableRowColor">

    364. 

  364. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    365. 

  365. <CODE>static

    366. 

  366. <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">

    367. 

  367. <TR ALIGN="right" VALIGN="">

    368. 

  368. <TD NOWRAP><FONT SIZE="-1">

    369. 

  369. <CODE>&lt;T&gt; java.util.List&lt;T&gt;</CODE></FONT></TD>

    370. 

  370. </TR>

    371. 

  371. </TABLE>

    372. 

  372. </CODE></FONT></TD>

    373. 

  373. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#rest(java.util.List)">rest</A></B>(java.util.List&lt;T&gt;&nbsp;l)</CODE>

    374. 

  374. 

    375. 

  375. <BR>

    376. 

  376. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a sublist of all of the elements in the list except for first.</TD>

    377. 

  377. </TR>

    378. 

  378. <TR BGCOLOR="white" CLASS="TableRowColor">

    379. 

  379. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    380. 

  380. <CODE>static

    381. 

  381. <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">

    382. 

  382. <TR ALIGN="right" VALIGN="">

    383. 

  383. <TD NOWRAP><FONT SIZE="-1">

    384. 

  384. <CODE>&lt;T&gt; T</CODE></FONT></TD>

    385. 

  385. </TR>

    386. 

  386. </TABLE>

    387. 

  387. </CODE></FONT></TD>

    388. 

  388. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#selectRandomlyFromList(java.util.List)">selectRandomlyFromList</A></B>(java.util.List&lt;T&gt;&nbsp;l)</CODE>

    389. 

  389. 

    390. 

  390. <BR>

    391. 

  391. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Randomly select an element from a list.</TD>

    392. 

  392. </TR>

    393. 

  393. <TR BGCOLOR="white" CLASS="TableRowColor">

    394. 

  394. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    395. 

  395. <CODE>static

    396. 

  396. <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">

    397. 

  397. <TR ALIGN="right" VALIGN="">

    398. 

  398. <TD NOWRAP><FONT SIZE="-1">

    399. 

  399. <CODE>&lt;T extends java.lang.Number&gt; 

    400. 

  400. <BR>

    401. 

  401. double</CODE></FONT></TD>

    402. 

  402. </TR>

    403. 

  403. </TABLE>

    404. 

  404. </CODE></FONT></TD>

    405. 

  405. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#sumOfSquares(java.util.List)">sumOfSquares</A></B>(java.util.List&lt;T&gt;&nbsp;list)</CODE>

    406. 

  406. 

    407. 

  407. <BR>

    408. 

  408. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    409. 

  409. </TR>

    410. 

  410. <TR BGCOLOR="white" CLASS="TableRowColor">

    411. 

  411. <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">

    412. 

  412. <CODE>static&nbsp;java.lang.String[]</CODE></FONT></TD>

    413. 

  413. <TD><CODE><B><A HREF="../../../aima/core/util/Util.html#yesno()">yesno</A></B>()</CODE>

    414. 

  414. 

    415. 

  415. <BR>

    416. 

  416. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>

    417. 

  417. </TR>

    418. 

  418. </TABLE>

    419. 

  419. &nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>

    420. 

  420. <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">

    421. 

  421. <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">

    422. 

  422. <TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>

    423. 

  423. </TR>

    424. 

  424. <TR BGCOLOR="white" CLASS="TableRowColor">

    425. 

  425. <TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>

    426. 

  426. </TR>

    427. 

  427. </TABLE>

    428. 

  428. &nbsp;

    429. 

  429. <P>

    430. 

  430. 

    431. 

  431. <!-- ============ FIELD DETAIL =========== -->

    432. 

  432. 

    433. 

  433. <A NAME="field_detail"><!-- --></A>

    434. 

  434. <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">

    435. 

  435. <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">

    436. 

  436. <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">

    437. 

  437. <B>Field Detail</B></FONT></TH>

    438. 

  438. </TR>

    439. 

  439. </TABLE>

    440. 

  440. 

    441. 

  441. <A NAME="NO"><!-- --></A><H3>

    442. 

  442. NO</H3>

    443. 

  443. <PRE>

    444. 

  444. public static final java.lang.String <B>NO</B></PRE>

    445. 

  445. <DL>

    446. 

  446. <DL>

    447. 

  447. <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#aima.core.util.Util.NO">Constant Field Values</A></DL>

    448. 

  448. </DL>

    449. 

  449. <HR>

    450. 

  450. 

    451. 

  451. <A NAME="YES"><!-- --></A><H3>

    452. 

  452. YES</H3>

    453. 

  453. <PRE>

    454. 

  454. public static final java.lang.String <B>YES</B></PRE>

    455. 

  455. <DL>

    456. 

  456. <DL>

    457. 

  457. <DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#aima.core.util.Util.YES">Constant Field Values</A></DL>

    458. 

  458. </DL>

    459. 

  459. 

    460. 

  460. <!-- ========= CONSTRUCTOR DETAIL ======== -->

    461. 

  461. 

    462. 

  462. <A NAME="constructor_detail"><!-- --></A>

    463. 

  463. <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">

    464. 

  464. <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">

    465. 

  465. <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">

    466. 

  466. <B>Constructor Detail</B></FONT></TH>

    467. 

  467. </TR>

    468. 

  468. </TABLE>

    469. 

  469. 

    470. 

  470. <A NAME="Util()"><!-- --></A><H3>

    471. 

  471. Util</H3>

    472. 

  472. <PRE>

    473. 

  473. public <B>Util</B>()</PRE>

    474. 

  474. <DL>

    475. 

  475. </DL>

    476. 

  476. 

    477. 

  477. <!-- ============ METHOD DETAIL ========== -->

    478. 

  478. 

    479. 

  479. <A NAME="method_detail"><!-- --></A>

    480. 

  480. <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">

    481. 

  481. <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">

    482. 

  482. <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">

    483. 

  483. <B>Method Detail</B></FONT></TH>

    484. 

  484. </TR>

    485. 

  485. </TABLE>

    486. 

  486. 

    487. 

  487. <A NAME="first(java.util.List)"><!-- --></A><H3>

    488. 

  488. first</H3>

    489. 

  489. <PRE>

    490. 

  490. public static &lt;T&gt; T <B>first</B>(java.util.List&lt;T&gt;&nbsp;l)</PRE>

    491. 

  491. <DL>

    492. 

  492. <DD>Get the first element from a list.

    493. 

  493. <P>

    494. 

  494. <DD><DL>

    495. 

  495. <DT><B>Parameters:</B><DD><CODE>l</CODE> - the list the first element is to be extracted from.

    496. 

  496. <DT><B>Returns:</B><DD>the first element of the passed in list.</DL>

    497. 

  497. </DD>

    498. 

  498. </DL>

    499. 

  499. <HR>

    500. 

  500. 

    501. 

  501. <A NAME="rest(java.util.List)"><!-- --></A><H3>

    502. 

  502. rest</H3>

    503. 

  503. <PRE>

    504. 

  504. public static &lt;T&gt; java.util.List&lt;T&gt; <B>rest</B>(java.util.List&lt;T&gt;&nbsp;l)</PRE>

    505. 

  505. <DL>

    506. 

  506. <DD>Get a sublist of all of the elements in the list except for first.

    507. 

  507. <P>

    508. 

  508. <DD><DL>

    509. 

  509. <DT><B>Parameters:</B><DD><CODE>l</CODE> - the list the rest of the elements are to be extracted from.

    510. 

  510. <DT><B>Returns:</B><DD>a list of all of the elements in the passed in list except for
    511. 

  511.          the first element.</DL>

    512. 

  512. </DD>

    513. 

  513. </DL>

    514. 

  514. <HR>

    515. 

  515. 

    516. 

  516. <A NAME="create(java.util.Collection,java.lang.Object)"><!-- --></A><A NAME="create(java.util.Collection, V)"><!-- --></A><H3>

    517. 

  517. create</H3>

    518. 

  518. <PRE>

    519. 

  519. public static &lt;K,V&gt; java.util.Map&lt;K,V&gt; <B>create</B>(java.util.Collection&lt;K&gt;&nbsp;keys,

    520. 

  520.                                               V&nbsp;value)</PRE>

    521. 

  521. <DL>

    522. 

  522. <DD>Create a Map<K, V> with the passed in keys having their values
    523. 

  523.  initialized to the passed in value.

    524. 

  524. <P>

    525. 

  525. <DD><DL>

    526. 

  526. <DT><B>Parameters:</B><DD><CODE>keys</CODE> - the keys for the newly constructed map.<DD><CODE>value</CODE> - the value to be associated with each of the maps keys.

    527. 

  527. <DT><B>Returns:</B><DD>a map with the passed in keys initialized to value.</DL>

    528. 

  528. </DD>

    529. 

  529. </DL>

    530. 

  530. <HR>

    531. 

  531. 

    532. 

  532. <A NAME="selectRandomlyFromList(java.util.List)"><!-- --></A><H3>

    533. 

  533. selectRandomlyFromList</H3>

    534. 

  534. <PRE>

    535. 

  535. public static &lt;T&gt; T <B>selectRandomlyFromList</B>(java.util.List&lt;T&gt;&nbsp;l)</PRE>

    536. 

  536. <DL>

    537. 

  537. <DD>Randomly select an element from a list.

    538. 

  538. <P>

    539. 

  539. <DD><DL>

    540. 

  540. <DT><B>Type Parameters:</B><DD><CODE>T</CODE> - the type of element to be returned from the list l.<DT><B>Parameters:</B><DD><CODE>l</CODE> - a list of type T from which an element is to be selected
    541. 

  541.             randomly.

    542. 

  542. <DT><B>Returns:</B><DD>a randomly selected element from l.</DL>

    543. 

  543. </DD>

    544. 

  544. </DL>

    545. 

  545. <HR>

    546. 

  546. 

    547. 

  547. <A NAME="randomBoolean()"><!-- --></A><H3>

    548. 

  548. randomBoolean</H3>

    549. 

  549. <PRE>

    550. 

  550. public static boolean <B>randomBoolean</B>()</PRE>

    551. 

  551. <DL>

    552. 

  552. <DD><DL>

    553. 

  553. </DL>

    554. 

  554. </DD>

    555. 

  555. </DL>

    556. 

  556. <HR>

    557. 

  557. 

    558. 

  558. <A NAME="normalize(double[])"><!-- --></A><H3>

    559. 

  559. normalize</H3>

    560. 

  560. <PRE>

    561. 

  561. public static double[] <B>normalize</B>(double[]&nbsp;probDist)</PRE>

    562. 

  562. <DL>

    563. 

  563. <DD><DL>

    564. 

  564. </DL>

    565. 

  565. </DD>

    566. 

  566. </DL>

    567. 

  567. <HR>

    568. 

  568. 

    569. 

  569. <A NAME="normalize(java.util.List)"><!-- --></A><H3>

    570. 

  570. normalize</H3>

    571. 

  571. <PRE>

    572. 

  572. public static java.util.List&lt;java.lang.Double&gt; <B>normalize</B>(java.util.List&lt;java.lang.Double&gt;&nbsp;values)</PRE>

    573. 

  573. <DL>

    574. 

  574. <DD><DL>

    575. 

  575. </DL>

    576. 

  576. </DD>

    577. 

  577. </DL>

    578. 

  578. <HR>

    579. 

  579. 

    580. 

  580. <A NAME="min(int, int)"><!-- --></A><H3>

    581. 

  581. min</H3>

    582. 

  582. <PRE>

    583. 

  583. public static int <B>min</B>(int&nbsp;i,

    584. 

  584.                       int&nbsp;j)</PRE>

    585. 

  585. <DL>

    586. 

  586. <DD><DL>

    587. 

  587. </DL>

    588. 

  588. </DD>

    589. 

  589. </DL>

    590. 

  590. <HR>

    591. 

  591. 

    592. 

  592. <A NAME="max(int, int)"><!-- --></A><H3>

    593. 

  593. max</H3>

    594. 

  594. <PRE>

    595. 

  595. public static int <B>max</B>(int&nbsp;i,

    596. 

  596.                       int&nbsp;j)</PRE>

    597. 

  597. <DL>

    598. 

  598. <DD><DL>

    599. 

  599. </DL>

    600. 

  600. </DD>

    601. 

  601. </DL>

    602. 

  602. <HR>

    603. 

  603. 

    604. 

  604. <A NAME="max(int, int, int)"><!-- --></A><H3>

    605. 

  605. max</H3>

    606. 

  606. <PRE>

    607. 

  607. public static int <B>max</B>(int&nbsp;i,

    608. 

  608.                       int&nbsp;j,

    609. 

  609.                       int&nbsp;k)</PRE>

    610. 

  610. <DL>

    611. 

  611. <DD><DL>

    612. 

  612. </DL>

    613. 

  613. </DD>

    614. 

  614. </DL>

    615. 

  615. <HR>

    616. 

  616. 

    617. 

  617. <A NAME="min(int, int, int)"><!-- --></A><H3>

    618. 

  618. min</H3>

    619. 

  619. <PRE>

    620. 

  620. public static int <B>min</B>(int&nbsp;i,

    621. 

  621.                       int&nbsp;j,

    622. 

  622.                       int&nbsp;k)</PRE>

    623. 

  623. <DL>

    624. 

  624. <DD><DL>

    625. 

  625. </DL>

    626. 

  626. </DD>

    627. 

  627. </DL>

    628. 

  628. <HR>

    629. 

  629. 

    630. 

  630. <A NAME="mode(java.util.List)"><!-- --></A><H3>

    631. 

  631. mode</H3>

    632. 

  632. <PRE>

    633. 

  633. public static &lt;T&gt; T <B>mode</B>(java.util.List&lt;T&gt;&nbsp;l)</PRE>

    634. 

  634. <DL>

    635. 

  635. <DD><DL>

    636. 

  636. </DL>

    637. 

  637. </DD>

    638. 

  638. </DL>

    639. 

  639. <HR>

    640. 

  640. 

    641. 

  641. <A NAME="yesno()"><!-- --></A><H3>

    642. 

  642. yesno</H3>

    643. 

  643. <PRE>

    644. 

  644. public static java.lang.String[] <B>yesno</B>()</PRE>

    645. 

  645. <DL>

    646. 

  646. <DD><DL>

    647. 

  647. </DL>

    648. 

  648. </DD>

    649. 

  649. </DL>

    650. 

  650. <HR>

    651. 

  651. 

    652. 

  652. <A NAME="log2(double)"><!-- --></A><H3>

    653. 

  653. log2</H3>

    654. 

  654. <PRE>

    655. 

  655. public static double <B>log2</B>(double&nbsp;d)</PRE>

    656. 

  656. <DL>

    657. 

  657. <DD><DL>

    658. 

  658. </DL>

    659. 

  659. </DD>

    660. 

  660. </DL>

    661. 

  661. <HR>

    662. 

  662. 

    663. 

  663. <A NAME="information(double[])"><!-- --></A><H3>

    664. 

  664. information</H3>

    665. 

  665. <PRE>

    666. 

  666. public static double <B>information</B>(double[]&nbsp;probabilities)</PRE>

    667. 

  667. <DL>

    668. 

  668. <DD><DL>

    669. 

  669. </DL>

    670. 

  670. </DD>

    671. 

  671. </DL>

    672. 

  672. <HR>

    673. 

  673. 

    674. 

  674. <A NAME="removeFrom(java.util.List,java.lang.Object)"><!-- --></A><A NAME="removeFrom(java.util.List, T)"><!-- --></A><H3>

    675. 

  675. removeFrom</H3>

    676. 

  676. <PRE>

    677. 

  677. public static &lt;T&gt; java.util.List&lt;T&gt; <B>removeFrom</B>(java.util.List&lt;T&gt;&nbsp;list,

    678. 

  678.                                                T&nbsp;member)</PRE>

    679. 

  679. <DL>

    680. 

  680. <DD><DL>

    681. 

  681. </DL>

    682. 

  682. </DD>

    683. 

  683. </DL>

    684. 

  684. <HR>

    685. 

  685. 

    686. 

  686. <A NAME="sumOfSquares(java.util.List)"><!-- --></A><H3>

    687. 

  687. sumOfSquares</H3>

    688. 

  688. <PRE>

    689. 

  689. public static &lt;T extends java.lang.Number&gt; double <B>sumOfSquares</B>(java.util.List&lt;T&gt;&nbsp;list)</PRE>

    690. 

  690. <DL>

    691. 

  691. <DD><DL>

    692. 

  692. </DL>

    693. 

  693. </DD>

    694. 

  694. </DL>

    695. 

  695. <HR>

    696. 

  696. 

    697. 

  697. <A NAME="ntimes(java.lang.String, int)"><!-- --></A><H3>

    698. 

  698. ntimes</H3>

    699. 

  699. <PRE>

    700. 

  700. public static java.lang.String <B>ntimes</B>(java.lang.String&nbsp;s,

    701. 

  701.                                       int&nbsp;n)</PRE>

    702. 

  702. <DL>

    703. 

  703. <DD><DL>

    704. 

  704. </DL>

    705. 

  705. </DD>

    706. 

  706. </DL>

    707. 

  707. <HR>

    708. 

  708. 

    709. 

  709. <A NAME="checkForNanOrInfinity(double)"><!-- --></A><H3>

    710. 

  710. checkForNanOrInfinity</H3>

    711. 

  711. <PRE>

    712. 

  712. public static void <B>checkForNanOrInfinity</B>(double&nbsp;d)</PRE>

    713. 

  713. <DL>

    714. 

  714. <DD><DL>

    715. 

  715. </DL>

    716. 

  716. </DD>

    717. 

  717. </DL>

    718. 

  718. <HR>

    719. 

  719. 

    720. 

  720. <A NAME="randomNumberBetween(int, int)"><!-- --></A><H3>

    721. 

  721. randomNumberBetween</H3>

    722. 

  722. <PRE>

    723. 

  723. public static int <B>randomNumberBetween</B>(int&nbsp;i,

    724. 

  724.                                       int&nbsp;j)</PRE>

    725. 

  725. <DL>

    726. 

  726. <DD><DL>

    727. 

  727. </DL>

    728. 

  728. </DD>

    729. 

  729. </DL>

    730. 

  730. <HR>

    731. 

  731. 

    732. 

  732. <A NAME="calculateMean(java.util.List)"><!-- --></A><H3>

    733. 

  733. calculateMean</H3>

    734. 

  734. <PRE>

    735. 

  735. public static double <B>calculateMean</B>(java.util.List&lt;java.lang.Double&gt;&nbsp;lst)</PRE>

    736. 

  736. <DL>

    737. 

  737. <DD><DL>

    738. 

  738. </DL>

    739. 

  739. </DD>

    740. 

  740. </DL>

    741. 

  741. <HR>

    742. 

  742. 

    743. 

  743. <A NAME="calculateStDev(java.util.List, double)"><!-- --></A><H3>

    744. 

  744. calculateStDev</H3>

    745. 

  745. <PRE>

    746. 

  746. public static double <B>calculateStDev</B>(java.util.List&lt;java.lang.Double&gt;&nbsp;values,

    747. 

  747.                                     double&nbsp;mean)</PRE>

    748. 

  748. <DL>

    749. 

  749. <DD><DL>

    750. 

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  758. public static java.util.List&lt;java.lang.Double&gt; <B>normalizeFromMeanAndStdev</B>(java.util.List&lt;java.lang.Double&gt;&nbsp;values,

    759. 

  759.                                                                          double&nbsp;mean,

    760. 

  760.                                                                          double&nbsp;stdev)</PRE>

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  771. public static double <B>generateRandomDoubleBetween</B>(double&nbsp;lowerLimit,

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