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Re: Ma tra^.n dda?o



        
>Muon tinh ma tran dao thi can biet ro ma tran nay kich thuoc lon hay be, co
>chua nhieu zero hay khong, tu day moi nghi cach tinh ching xac hay tinh gan
>dung dung phuong phap la(.p
>Muon tinh ma tran dao theo toi tot nhat la`  xem cac thu vien chuong trinh
mau (Numerical recipes). Thu vien nay available in Fotran hay C.
>
>Neu may cua ban co cai dat MAtlab thi don gian nhat, chi can viet mot dong la 
>xong ngay, vi du B=1/A tuc la B la matran nghich dao cua A.

        To^i co' SAS/IML (interactive matrix language) chuye^n ti'nh ma
tra^.n va` linear equations.

        Tua^'n