[求助] MATLAB计算矩阵特征值和特征向量答:>> A=sym('[1 1/5 1/3 1/3;5 1 5 5;3 1/5 1 1/3;3 1/5 3 1 ]')A = [ 1, 1/5, 1/3, 1/3][ 5, 1, 5, 5][ 3, 1/5, 1, 1/3][ 3, 1/5, 3, 1]>> [V,D]=eig(A)V = [ 1/3*i*3^(1/2), -1/3*i*3...
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...答:AB=A+2B AB-2B=A (A-2E)B=A B=inv(A-2E)*A matlab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 -6.0000 2.0000 -9.0000 -6.0000 -2.0000 12.0000 9.0000 ...