You need for P to be a MatrixSymbol, like
P = MatrixSymbol('P', 2, 2)
A regular Symbol object is assumed to be a scalar, which is why SymPy
states it cannot be equal to a matrix.
Aaron Meurer
On Sat, Oct 28, 2017 at 1:20 PM, amsympy <[email protected]> wrote:
> Hi
>
> I write the following code to display a matrix named P equal to A.T*A.
>
> ---------------------------------------------
> from sympy import *
> a, b, c, d = symbols('a, b, c, d')
> P = Symbol('P')
>
> A = Matrix( [ [a, b], [c, d] ])
> M = A.T*A
> Eq(P, M)
>
> ----------------------------------------------
>
> but sympy display
>
> False instead the expected result.
>
> Thanks
>
>
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