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IDA provides a default Newton method (Modified Newton with no globalization) for solving the nonlinear algebraic system at every timestep. However, IDA also implements a Newton+Linesearch algorithm wh…
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Tearing should be introduced to improve the solution of nonlinear strong components.
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### Is your feature request related to a problem? Please describe.
In Matlab, `fsolve` could handle a non-square system using Levenberg-Marquardt algorithm. However, it doesn't work when using `Sc…
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In driven-dissipative bosonic systems it is possible to have high nonlinear terms in the Hamiltonian and in the dissipative parts. For instance, `n`-photon driving and disspation. However, the package…
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https://docs.sciml.ai/ModelingToolkit/stable/tutorials/nonlinear/
At first glance, the generated jac looks overly simplistic?
```jl
julia> prob.f.jac.jac_iip
RuntimeGeneratedFunction(#=in Modeli…
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H Khaled,
Nice work!
A quick question: in the while loop [here](https://github.com/khaledghobashy/uraeus_nmbd_python/blob/ea2364ed328baeb33693494ec669e992e86c1488/uraeus/nmbd/python/engine/nume…
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**Issue by [bgoodri](https://github.com/bgoodri)**
_Tuesday Aug 23, 2016 at 03:11 GMT_
_Originally opened as https://github.com/stan-dev/stan/issues/2023_
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#### Summary:
Support solving a syst…
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It is common in parameter identification problem (or even dual parameter id + trajectories) to find solutions that give unstable systems, even when the measurement data comes from a stable system. If …
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### Description
This issue is a re-open of #4896 (and #[trac/4896](https://trac.openmodelica.org/OpenModelica/ticket/4896), respectively) with some additional specifications. A simple simulation mo…
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Sampling-Based Nonlinear Stochastic Optimal Control for Neuromechanical Systems.
Determining how the nervous system controls tendon-driven bodies remains an open question. Stochastic optimal contro…