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Input and output
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- [ ] drop '-s' from cmd line, use just first positional argument as the main file
- [ ] **MSH4 support** #1437 for both input and output, MSH output of the whole me…
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When a job is created and the simulation files are exported, the default values for the solver tolerance are too high and number of iterations are too low. These need to be changed to more reasonable …
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This is a nontrivial part of the code, but we can reference [this paper](http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3178275/) by one of the professors at UCSD who's been really successful at solving …
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**Describe the bug**
When solving using a list of boundary conditions, changing their order in the list results in divergence.
**Steps to Reproduce**
Minimal example:
```python
import firedrake…
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bc.. for n=1 :
In [14]: dsolve(f(x).diff(x, x)+2/x*f(x).diff(x)+f(x),f(x))
> Out[14]:
> C₁⋅sin(x sqrt(3)) + C₂⋅cos(x⋅sqrt(3) )
sin(x)/x (at least for the usual bc) is the solution
p. Original issu…
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gdl 1.0.0-rc.3 MAC-OS 13.6.1 Ventura
POWELL is definitely misbehaving!
ITER and ITMAX are not updated or have any effect. Xi initial/final set of directions is not updated.
Optimization quality…
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When I encounter convergence failure, there is an error message shown in my file saying (I took one of my convergence failure tests for example):
"Additional information:
Iterative method reported…
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Hi again, I have found this repository is also useful to me. One thing that would be ideal to have is the differential algebraic equations (DAE) solver (http://www.scholarpedia.org/article/Differentia…
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Could be used as an alternative to DAEProblem/ODAEProblem/ODEProblem -> quoting Chris Rackauckas in the Julia slack
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Because of the do ... while loop, the iterated solver schemes always perform at least one nonlinear iteration, even though the 2 parameters controlling the maximum number of nonlinear iterations can b…