渴求七元一次方程组Maltab的解法及结果，速！！！！！

来源：百度知道 编辑：UC知道 时间：2024/05/26 08:41:44
A-0.653a+20.305b-0.296c-0.483d+0.709e+0.338f=0.09
A-0.023a+21.963b-0.041c-0.256d+0.671e+0.212f=0.04
A-0.119a+19.3b-2.637c-0.642d+0.4e+0.027f=0.062
A-0.228a+20.186b-0.169c-0.415d+0.589e+0.424f=0.06
A-0.553a+20.786b-0.38c+0.056d+0.712e+0.375f=0.117
A-0.356a+19.907b-0.786c-0.187d+0.509e+0.134f=0.105
A-0.321a+20.985b-0.934c+0.995d+0.549e+0.153f=0.009

设A=x1 a=x2 b=x3 c=x4 d=x5 e=x6 f=x7
矩阵C为[1 -0.653 20.305 -0.296 -0.483 0.709 0.338;1 -0.023 21.963 -0.041 -0.256 0.671 0.212;1 -0.119 19.3 -2.637 -0.642 0.4 0.027;1 -0.228 20.186 -0.169 -0.415 0.589 0.424;1 -0.553 20.786 0.38 0.056 0.712 0.375;1 -0.356 19.907 -0.786 -0.187 0.509 0.134;1 -0.321 20.985 -0.934 0.995 0.549 0.153]
D=[0.09;0.04;0.062;0.06;0.117;0.105;0.009]
CX=D即
X=inv(C)*D

ans =

7.1514
0.8577
-0.4060
0.0974
0.1869
3.1339
-1.0680