Fine
Thanks
Le samedi 28 octobre 2017 21:48:28 UTC+1, Aaron Meurer a écrit :
>
> 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] <javascript:>>
> 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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