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下面是两个测试,同样的数据,不同的版本,请诸君仔细看来:
H = [3.16991321031250,52.4425641326457,2.73475152482102;-8.76695007100685,43.4831885343255,-37.1705395356264;-1.59218748085971,-24.3510937156625,12.8339630267640];
[U,S,V] = svd(H);
U =
0.6124 0.7695 -0.1814
0.7073 -0.6357 -0.3091
-0.3531 0.0610 -0.9336
V =
-0.0479 0.2651 0.9630
0.9249 0.3759 -0.0575
-0.3772 0.8880 -0.2631
S =
77.2740 0 0
0 29.8639 0
0 0 3.7601
- from numpy import *
-
- def test():
- Base = array([[1.92028349427775,0.938200267748656,8.61139811393332,6.71431139674026,3.47712671277525,2.62145317727807,2.42785357820962,3.59228
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