function?w?=?pseu_inv_tr（fea_trlab_tr）
trnum?=?size（fea_tr1）;
if?（trnum?~=?size（lab_tr?1））
????disp（‘training?set?has?different?feature?and?label?size\n‘）;
????return;
end

fea_tr_ex?=?cat（2?ones（trnum1）?fea_tr）;

fea_tr1_no?=?0;
for?i?=?1:trnum
????if?lab_tr（i）?==?1
????????fea_tr1_no?=?fea_tr1_no?+?1;
????end
end
fea_tr2_no?=?trnum?-?fea_tr1_no;
d?=?cat（1?ones（fea_tr1_no1）?-ones（fea_tr2_no1））;
w?=?pinv（fea_tr_ex‘?*?fea_tr_ex）?*?fea_tr_ex‘?*?d;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????477??2013-07-15?21:19??偽逆\pseu_inv_tr.m

?????文件????????294??2013-07-15?21:19??偽逆\pseu_inv_ts.m

?????目錄??????????0??2013-07-16?09:29??偽逆

-----------?---------??----------?-----??----

??????????????????771????????????????????3