How can I collect the eigenvectors to form an eigenvector matrix ?
I have tried all matrix commands and I always get some error !
Sorry,
THX
On Mar 10, 3:27 pm, Jason Grout <jason-s...@creativetrax.com> wrote:
> Iwan Lappo-Danilewski wrote:
> > Why does a Matrix not possess the function full_simpify. I.e. why does
> > P.full_simplify() not work?
>
> It's probably because no one has written it yet. I think it'd be great
> to have. We welcome any patches to do that.
>
> You can do the same thing using the apply_map function, which applies a
> function to each entry of a matrix.
>
> sage: var('a,b,c,d')
> (a, b, c, d)
> sage: A=matrix([[sin(a+b), sin(c+d)],[cos(a+d),cos(b+d)]])
> sage: A
>
> [sin(b + a) sin(d + c)]
> [cos(d + a) cos(d + b)]
> sage: B=A.apply_map(lambda x: x.full_simplify())
> sage: B
>
> [cos(a)*sin(b) + sin(a)*cos(b) cos(c)*sin(d) + sin(c)*cos(d)]
> [cos(a)*cos(d) - sin(a)*sin(d) cos(b)*cos(d) - sin(b)*sin(d)]
>
> Jason
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