[Numpy-discussion] How to solve homogeneous linear equations with NumPy?

Peter Cai newptcai@gmail....
Wed Dec 2 23:40:30 CST 2009


How to solve homogeneous linear equations with NumPy?



If I have homogeneous linear equations like this

array([[-0.75,  0.25,  0.25,  0.25],
       [ 1.  , -1.  ,  0.  ,  0.  ],
       [ 1.  ,  0.  , -1.  ,  0.  ],
       [ 1.  ,  0.  ,  0.  , -1.  ]])

And I want to get a non-zero solution for it. How can it be done with NumPy?

linalg.solve only works on A * x = b where b does not contains only 0.



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