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In #2336 I've added an alternative to #2333: https://github.com/boutproject/BOUT-dev/blob/93454ecaded94667725d48c3cb9b991c23f239bc/src/invert/laplace/invert_laplace.cxx#L106-L126
Basically check th…
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`Delp2` is a weird one. Its default implementation (the one with `useFFT=true`) isn't (I think anyway...) what you'd expect unless you'd read the source code to know it's designed to be (part of) the …
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I just tried running the Hasegawa-Wakatani example with `periodicX = true` (also using `hw:modified=false`, but I don't think that's relevant here). It did run, but very badly until I also set the `IN…
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I have the following improvement suggestion for the new user manual:
- Mention how the bracket operators work
- Mention that one assumes negligible y-derivatives when doing field aligned laplace inver…
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```
>>> equ_laplace
470.0*s**2/(1.0*s**4 + 18.7*s**3 + 17.9*s**2 + 4.68*s + 0.131)
>>> inverse_laplace_transform(apart((equ_laplace), s, full=True).doit(), s, t)
Traceback (most recent call last):…
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The changes of the parameters of the distribution in v1.14 lead to inconsistencies in some of the example. While some of the changes have already been taken into account in PR #1478, the example have …
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When making the models documentation section today, Ale noticed that the creep moduli which use the numerical InverseLaplace library were generating errors.
After some investigation we realized it …
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I tried to replicate some results from the "Approximation of 2^d x 2^d matrices" paper. There were results given for the approximate inverse of a 2D Laplacian with the Newton method. However, with my …
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Numerous laboratory, heliospheric, and astrophysical plasmas are weakly ionized or partially ionized. Examples include stellar chromospheres, protoplanetary disks, molecular clouds, the cold neutral …
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This is an interesting article that describes a well-engineered, robust/reproducible, and very accessible (Jupyter notebooks) Poisson-Boltzmann solver. The authors have done an excellent job describin…