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sumenger: ½ð±Ò+5 2013-03-28 10:57:37
csgt0: ½ð±Ò+1, ¶àлָµ¼ 2013-03-28 17:54:13
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2Â¥2013-03-27 19:14:26
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3Â¥2013-03-28 10:54:42
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csgt0: ½ð±Ò+2, лл 2013-03-28 17:54:19
matlabµÄdet()Ëã·¨¿ÉÒÔ¿´µ½µÄ,Äãhelp det¾ÍÄÜ¿´µ½½²½â,¾ßÌå²½ÖèÊÇ

The determinant is computed from the triangular factors obtained by Gaussian elimination

[L,U] = lu(A)
s =  det(L)        % This is always +1 or -1
det(A) = s*prod(diag(U))

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