/dvbt/trunk/release/mm/ml/forge_gcalc/ginv.m
http://github.com/zaqwes8811/decoder-reed-solomon · MATLAB · 19 lines · 11 code · 1 blank · 7 comment · 1 complexity · 2849e240d44aa8a4760a53de0c7d87ee MD5 · raw file
- % ???????? ???????
- function iInv = ginv(b, unicalc)
- % ??????????
- %index_of = unicalc{1,1};
- %alpha_to = unicalc{1,2};
- %GF = unicalc{1,3};]
- if(b == 0)
- iInv = '! ??????? ?? ????"; % !! ??????? ?? ????'
- return;
- end
- % ???????? ??????
- idiff = unicalc{1,1}(1)-unicalc{1,1}(b);
- if idiff < 0 % ????????????? ?????????
- idiff = idiff+unicalc{1,3}-1;
- end
- iInv = unicalc{1,2}(idiff+1);
- end
- % endfunction