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This issue is to capture a discussion on the potential nature of a helper federate for dealing with some convergence issues that are not fully dealt with by the local iteration control.
The idea wo…
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Here is my model:
This 1D model describes the flow of ideal gas in a pipe. I assume that inlet pressure $p_0$ is a known function of time, and that the outlet mass flow rate $\dot{m}_L$ is a know…
B-LIE updated
2 months ago
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### Description
I'm having errors calling the PETSc solver on my Mac. It was working in the morning and broke when I `checkout`ed out and in to my branch. So I think the branch updated, breaking it. …
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[FinsModel.zip](https://github.com/JKRT/OM.jl/files/8993549/FinsModel.zip)
The following model has the following equations sharing the same state variable:
```
D(mH) ~ 2.0 - lambda_1 - 2.0mH,
…
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* [ ] Polynomials
* [ ] Factorization
* [ ] Square-free decomposition
* [x] Grobner bases
* [ ] Partial fraction decomposition
* [ ] Resultants
* [ ] Rootfinding
* [ ] Calculus
* [ ] Lim…
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Attributes such as `x(min = 0)` mean that `x >= 0` at all times. However, it is well-known that enforcing equality constraints on Real numbers is not a sound numerical practice, because of inevitable …
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I am trying to use scipy.integrate.solve_ivp for a system with a mass matrix 'M', but setting method='Radau' and using **options as options={'mass':M} throws the warning:
UserWarning: The followin…
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when `_find_active_events`, you carefully handle the required "direction" of the event. However, when `_find_event_time`, it looks like the direction might be overlooked. If that is the case, then it …
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The $\varepsilon$_-embedding method_ is a tool that can be used to get insights into the behavior of numerical methods when applied to stiff ODEs and DAEs. Assume we have a stiff system of ODEs of the…
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This is a class project in a functional programming course
> G. Bazerman & J. Polakow: [Declarative Equations, Compositional Strategies: Solving Differential Systems with Lazy Splines](http://gbaz.g…