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When I ran the following command I see an error:
```
(sfepy) X:\AbaqusFolder\sfepy>simple.py examples\diffusion\time_poisson_explicit.py
(sfepy) X:\AbaqusFolder\sfepy>python simple.py examples\…
yw5aj updated
6 years ago
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The "stability" question with the dynamics is whether we can go backwards in time for significant $t$ and not have weird things cropping up. Plotting with some of the solvers you can see that you sta…
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From what I understand, the StrongDBC evaluator in LCM diagonalizes also of the columns of the Jacobian corresponding to Dirichlet DOFs, is that correct? I have two questions:
1) Where does the rhs…
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Since the Poisson solver in our pure Navier-Stokes equation solver (without body in the domain) is solving a "real" Poisson PDE, and our grids are structure grids, I think it may be more suitable to u…
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Gary wrote: _"Another 'whilst I remember' type thing! It would be good to get boring-old-Fisher Information / Hessian at the MLE and the covariance matrix that that implies, so we could compare max li…
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@trilinos/rol
## Expectations
`make install` on Trilinos with ROL enabled should run without errors.
## Current Behavior
```
file INSTALL cannot find
"/.../Trilin…
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Hi,
This is not really an issue (so you can change the tag maybe), but I have a package [PDMP.jl](https://github.com/sdwfrost/PDMP.jl) that does similar things for jump processes without diffusion.…
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# Problem
a)
- no concept for time derivatives of nodal values
- having `NodeMerge`
- nodal values are some internal state, _impure_ functions
b)
- elements contain node references
…
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Fourth-Order Time-Stepping for Stiff PDEs
Aly-Khan Kassam and Lloyd N. Trefethen
http://epubs.siam.org/doi/abs/10.1137/S1064827502410633
```
function cheb(N)
N==0 && return (0,1)
x =…
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I often see this warning and remember discussing it in the past but I don't think we ever recorded it in the issues.
```
************************************************************************
…