Matrix inversion tool

[Matan Ziv-Av]

On Sun, 9 Aug 2015, Shachar Shemesh wrote:

> I should point out that the simplified matrix I was using to prove to myself that the idea has merit is 20x20 (inversed using state of the art in the vi text editing front). The code
> I'll actually have to run will be 273x273. The Matrix itself is sparsish, so it's really not that bad. Still, to prove things are working I'll have to (probably pre-calculate) several
> thousand such matrices.
> 
> In fact, one of my problems in using tools such as Mathematica and friends is that I don't want to hand code the Matrix to be inversed.

GAP (and similarly SAGE, maxima) can be scripted.

You do not give your exact setup, but if you can write the matrices to a 
text file in any format, you can read it in GAP. If you can output to 
the same format as I posted, you do not even need to write any program 
in GAP to read it.



-- 
Matan.