[1 log(9544.5) log(0.84) log(34403.8) log(255);1 log(7183) log(0.31) log(5269) log(435);1 log(11144) log(0.06) log(4299) log(770);1 log(6618) log(0.12) log(16468) log(963);1 log(6353) log(0.07) log(2050) log(1473)]求以上矩阵逆矩阵,麻烦给

Question

[1 log(9544.5) log(0.84) log(34403.8) log(255);
1 log(7183) log(0.31) log(5269) log(435);
1 log(11144) log(0.06) log(4299) log(770);
1 log(6618) log(0.12) log(16468) log(963);
1 log(6353) log(0.07) log(2050) log(1473)]
求以上矩阵逆矩阵,麻烦给出代码和结果,

Answer 1

>> A=[1 log(9544.5) log(0.84) log(34403.8) log(255);
1 log(7183) log(0.31) log(5269) log(435);
1 log(11144) log(0.06) log(4299) log(770);
1 log(6618) log(0.12) log(16468) log(963);
1 log(6353) log(0.07) log(2050) log(1473)]
A =
1.0000 9.1637 -0.1744 10.4459 5.5413
1.0000 8.8795 -1.1712 8.5696 6.0753
1.0000 9.3187 -2.8134 8.3661 6.6464
1.0000 8.7975 -2.1203 9.7092 6.8701
1.0000 8.7567 -2.6593 7.6256 7.2951
>> inv(A)
ans =
-31.4194 46.8239 -4.4548 19.2384 -29.1880
2.4750 -3.2546 0.8564 -2.1800 2.1032
1.2969 -1.1946 -0.6057 -0.9990 1.5024
-0.0124 -0.1882 0.0080 0.5792 -0.3866
1.8218 -2.7506 -0.6466 -0.9900 2.5654
B=[log(3093);
log(1489);
log(367);
log(1631);
log(218)]
B =
8.0369
7.3059
5.9054
7.3969
5.3845
>> X=inv(A)*B
X =
48.4093
-3.6296
-1.1812
0.7752
-2.7818