Re: [sympy] Matrix cannot be solved in reasonable time

2023-09-04 Thread Ralf Schlatterbeck
On Sat, Aug 26, 2023 at 10:26:02AM +0100, Oscar Benjamin wrote: > > It is all in a bit of a state of flux at the moment but if interested > in further reading then see e.g.: [...] > > Also I wrote the first of several blog posts here: > https://oscarbenjamin.github.io/blog/czi/post1.html > > A

Re: [sympy] Matrix cannot be solved in reasonable time

2023-08-26 Thread Oscar Benjamin
On Fri, 25 Aug 2023 at 18:38, Ralf Schlatterbeck wrote: > > Hello Oscar, > First, thanks for the very quick answer! > > On Fri, Aug 25, 2023 at 03:19:31PM +0100, Oscar Benjamin wrote: > > > > > > Trying to solve this with the 'LU' solver produces a really huge > > > solution (but the solution is q

Re: [sympy] Matrix cannot be solved in reasonable time

2023-08-25 Thread Ralf Schlatterbeck
Hello Oscar, First, thanks for the very quick answer! On Fri, Aug 25, 2023 at 03:19:31PM +0100, Oscar Benjamin wrote: > > > > Trying to solve this with the 'LU' solver produces a really huge > > solution (but the solution is quite fast): ... > > The size of the result created by 'LU' prevents furt

Re: [sympy] Matrix cannot be solved in reasonable time

2023-08-25 Thread Oscar Benjamin
On Fri, 25 Aug 2023 at 14:08, Ralf Schlatterbeck wrote: > > Hi all, > > [This is quite long, tl;dr: I cannot solve a matrix in reasonable time > that can be solved with Maxima in 8s.] > > I'm using Lcapy (which in turn uses sympy) for computing a transfer > function of a simple circuit (see below

[sympy] Matrix cannot be solved in reasonable time

2023-08-25 Thread Ralf Schlatterbeck
Hi all, [This is quite long, tl;dr: I cannot solve a matrix in reasonable time that can be solved with Maxima in 8s.] I'm using Lcapy (which in turn uses sympy) for computing a transfer function of a simple circuit (see below for an ascii-art drawing). I was referred here by the author of Lcapy.