matlab基本矩阵运算 matlab的矩阵基本运算问题已知A=[a b c;d e f;h I j] B=[l m n;x y z;q o p]...

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clear all;clc;

syms a b c d e f h l j m n x y z o p q

A=[a,b,c;d,e,f;h,l,j];

B=[l,m,n;x,y,z;q,o,p];

aa=sum(A);

bb=diag(A);

cc=A*B;

dd=A.*B;

ee=AB;

ff=A/B;

gg=A.B;

hh=A.^B;

-----------------ee和ff太长了,没写

>> aa

aa =

[ a+d+h, b+e+l, c+f+j]

>> bb

bb =

a

e

j

>> cc

cc =

[ a*l+b*x+c*q, a*m+b*y+c*o, a*n+b*z+c*p]

[ d*l+e*x+f*q, d*m+e*y+f*o, d*n+e*z+f*p]

[ h*l+l*x+j*q, h*m+l*y+j*o, h*n+l*z+j*p]

>> dd

dd =

[ a*l, b*m, c*n]

[ d*x, e*y, f*z]

[ h*q, l*o, j*p]

>> gg

gg =

[ l/a, m/b, n/c]

[ x/d, y/e, z/f]

[ q/h, o/l, p/j]

>> hh

hh =

[ a^l, b^m, c^n]

[ d^x, e^y, f^z]

[ h^q, l^o, j^p]

1年前

5

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