Re: [sympy] Cholesky decomposition incorrect solution

2014-09-02 Thread Ondřej Čertík
On Tue, Sep 2, 2014 at 2:30 PM, Andrea Fresu wrote: > Hello, > I have this symmetric matrix: > > A=Matrix([[0, 0.623433638694170, 1, 5.42879559377412], [0.623433638694170, > 0, 1, 6.81321272473753], [1, 1, 0, 0], [5.42879559377412, 6.81321272473753, > 0, 0]]) > > I did > > A.cholesky() > > getting

[sympy] Cholesky decomposition incorrect solution

2014-09-02 Thread Andrea Fresu
Hello, I have this symmetric matrix: A=Matrix([[0, 0.623433638694170, 1, 5.42879559377412], [0.623433638694170, 0, 1, 6.81321272473753], [1, 1, 0, 0], [5.42879559377412, 6.81321272473753, 0, 0]]) I did A.cholesky() getting: ⎡ 0 0 00 ⎤ ⎢ ⎥ ⎢zoo zoo