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> You are of course correct in what you say, but I still wouldn't be so quick in dismissing the direct feedthrough use case. You are not considering the following
> Not all systems that are contro…
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Creating classroom materials for solving linear equations.
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This ticket focuses on the remaining issue of #7824.
If `PowerSystems.Examples.AC3ph.Elementary.Line` is ran with `--tearingMethod=minimalTearing`, it produces the expected results:
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```julia
using ModelingToolkitStandardLibrary.Hydraulic.IsothermalCompressible: F…
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Currently trusses are hardcoded and the stiffness is added to the stiffness matrix directly. It would be nice to have FEniCSX do this work.
FEniCSX currently does not support mixed meshes and theref…
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Hi, I have encountered a few feature issues while using the pet_steady function and would like some clarification.
**This is a brief description of the task at hand:**
I have previously used the u…
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### Description
As reported by @mwetter, model [Buildings.ThermalZones.Detailed.Examples.MixedAirFreeResponse](https://libraries.openmodelica.org/branches/master/Buildings_latest/files/Buildings_la…
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### Summary of Problem
Solve procedure in the Linear algebra module fails as it relies on LU factoring of the argument matrix A. Because the custom LU factoring fails in some cases, the `solve` proce…
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The ionization equilibrium calculation uses the SVD to compute solutions to the homogeneous linear system of equations. For this to be applicable, the matrix composed of ionization and recombination r…
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In the `OperatorBase::vmult()` (or `apply()`) function, we treat constrained dofs as part of the linear system of equations with values of 1 on the diagonal of the "matrix". I do not see where we impo…