On Sep 27, 3:34 pm, Johannes <dajo.m...@web.de> wrote:
> Hi list,
> is there a way to get a sum of fraction to a common devisor? or even
> better into a product of a fraction like \frac{1}{something here} and a
> sum of integers?
> and my next step would be this, i dont have a single value, which i want
> to get as the above produkt, but i've got a vector for wich i want to
> write as produkt of a skalar times an integervektor.
> how can i do this?
>
> greatz JohannesHi, Is this what you want? sage: v = vector([2/3,1/4,0]) sage: common_denom = denominator(v) sage: common_denom 12 sage: vector_of_nums = v * common_denom sage: vector_of_nums (8, 3, 0) note that here, internally, vector of nums is a vector with rational entries. If you want a vector of sage integers you could do sage: vector_of_nums = vector_of_nums.change_ring(ZZ) And you will have a vector with Integer entries, if you need this last command or not depends on what do you want to do with your vector. Luis -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
