On Jul 18, 3:48 pm, Johhannes wrote:
> thnx.
>
> I see that the problem can be also formulated as marix problem. but
> the way i did it is in this case the more natural one for me.
> is there any reason why it only works this way and solve does not lead
> to any result?
For me it looks like:
thnx.
I see that the problem can be also formulated as marix problem. but
the way i did it is in this case the more natural one for me.
is there any reason why it only works this way and solve does not lead
to any result?
greatz Johannes
On 18 Jul., 14:45, luisfe wrote:
> On Jul 16, 1:33 am, J
On Jul 16, 1:33 am, Johannes wrote:
> a very easy example would be this:
>
> sage: p1 = vector([-3,1,1])
> sage: p2 = vector([1,-3,1])
> sage: p = vector([0,-2,1])
>
> #now i'm looking for some x,y such that
> #x * p1 + y * p1 == p
>
> x,y = var('x,y')
> sage: assume(x > 0)
> sage: assume(y > 0)
>
