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I ran into a bug while solving a system of odes, not covered by any of unit tests. While trying to fix it, I realised I don't understand what `dsolve` actually returns -- lots of existing code just as…
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Hello,
I have been thinking a little bit about qbsolv and I came up with a reasoning which might interest this community. As far as I understood, qbsolv is concerned with problems which unknown is …
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https://github.com/lukaskiwitz/thesis/blob/bcb89be2fc6cc1ea0f22646a70bbf9e35e079dbd/thesis/main/MyEntityLocator.py#L151-L208
@brunner-itb
Although this works for larger grids,
 and are really happy to be able to do so. When testing the release candidat…
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Dear sfepy I get an error when I try to increase the approx order of my fields to values greater than 1. Here is the code:
[Sfepy_issue.zip](https://github.com/sfepy/sfepy/files/11652299/Sfepy_issue.…
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Hi there,
The `DG_Solver` in ex9p, as I understood, solve the time-dependent PDE with backward Euler, `(M-dt*K) du_dt = K*u + b`.
However, I can not see the form of `M-dt*K` in `DG_Solver` class's `…
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Hi lineax community,
I came from Patrick's comment (https://github.com/google/jax/discussions/17203#discussioncomment-6814678). I believe `PyTreeLinearOperator` will do the job but am struggling to…
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Updating the [`run_it_simple.jl`](https://github.com/pohlan/SimpleSheet.jl/blob/main/run_it_simple.jl) script to reproduce the diffeq script results. Works - as long as one set `e_v = 1`.
Added [`r…
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Hi,
Would it be possible to ask the user the functions a,b,c and for a robin BC and it will provide an `equation` to solve:
`∇(a(x,u)∇u) + ∇(b(x,u)u) + c(x,u) u = 0`