MATLAB 计算方程

2025-01-24 07:04:21
推荐回答(3个)
回答1:

这个是个齐次方程,因此,如果行列式不为零,那么其解为A=B=C=D=0;

A=[0.2043,-1.6419,+0.05427,+0.04517;
33.5184,+36.153,-0.00002847,-0.000778;
-1.1572,-0.9833,-0.0802,+0.001044;
47.2565,-0.4125,+0.00057284,+0.0005759]
b=[0;0;0;0];
A\b

回答2:

[A B C D]=solve('0.2043*A-.6419*B+0.05427*C+0.04517*D=0','33.5184*A+36.153*B-.00002847*C-.000778*D=0','-.1572*A-.9833*B-.0802*C+0.001044*D=0','47.2565*A-.4125*B+0.00057284*C+0.0005759*D=0')

A =

0.

B =

0.

C =

0.

D =

0.

回答3:

自己算