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We need to determine the most efficient way to handle spinup of soil C pools with MIMICS in CTSM #1318 that also reuses available code, where possible. I don't think the at AD spinup used in the centu…
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We would like to be able to construct the linear system without having to insert values of 1.0 in the system associated with the essential BCs.
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When specifying a callback function, it's possible to specify a callable with the following signature ([see documentation](https://docs.scipy.org/doc/scipy/reference/generated/scipy.optimize.minimize.…
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I was looking through the code in writing the theory and it appears we are double counting the added mass for lines and rods. We include the added mass in the mass matrix calculations, but then also i…
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```
============================= test session starts ==============================
platform linux -- Python 3.10.14, pytest-8.2.2, pluggy-1.5.0
rootdir: /home/runner/work/cyipopt/cyipopt
configf…
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Hi,
First, let me apologize in case this is not the right place to ask this kind of questions. If so, please point me to a better place.
Some context: I am developping a Fourier spectral sover t…
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I'm working on adding amgclSolver next to cusparseSolver and openclSolver. This solver will convert the blocked CSR to whatever amgcl needs (probably normal CSR) and call amgcl to solve the linear sys…
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**Describe the bug 🐞**
Using observed variables in the RHS of an ODESystem leads to errors when computing bifurcation diagrams.
**Expected behavior**
A bifurcation diagram should be plotted,…
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### Is your feature request related to a problem? Please describe.
As discussed in https://github.com/scipy/scipy/issues/18118, COBYLA is the only derivative-free optimization solver available in Sci…
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I dug through the code and DifferentialEquations.jl could add quite a bit to the efficiency of the time stepping code. For reference, what it would really add is SSP methods:
http://docs.juliadiffe…