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matlab ,已知矩阵A和B满足关系AB=A+2B,A=[4,2,3;1,1,0;-1,2,3],求B
matlab, 已知矩阵A和B满足关系AB=A+2B,A=[4,2,3;1,1,0;-1,2,3],求B
人气:277 ℃ 时间:2020-02-05 17:51:26
解答
AB=A+2BAB-2B=A(A-2E)B=AB=inv(A-2E)*Amatlab语句如下:>> A=[4,2,3;1,1,0;-1,2,3];>> B=inv(A-2*eye(size(A)))*A; B =3.0000 -8.0000 -6.00002.0000 -9.0000 -6.0000-2.0000 12.0000 9.0000
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