Collin Wittenstein

## Checklist - [ ] Appropriate tests were added - [ ] Any code changes were done in a way that does not break public API - [ ] All...

added step_limiter to RADAUIIA3,5 and made basic tests for step_limiter

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## Checklist - [x] Appropriate tests were added - [ ] Any code changes were done in a way that does not break public API - [ ] All documentation...

`tstops` doesn't work probably when tspan tupel is given as integers

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**Describe the bug 🐞** When using `tstops` with non-adaptive methods, the elements of tstops need to be integers **if** tspan is given as a tuple of integers. **Expected behavior** It...

The method `Stepanov5` doesn't seem to work

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**Describe the bug 🐞** The method `Stepanov5` doesn't seem to work, at least after first initializing OrdinaryDiffEq. I don't know how to reproduce what happend, but two weeks ago I...

Can you also implement the Mainz Monopoly Version? https://www.mainz-spiel.de/

Updated 60-min-blitz to work with current version of Flux

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Hey! I am currently just learning Flux.jl myself and I tried to make this tutorial work with the current version of Flux and thought I made as well create a...

AutoDiff not working for SplitODEProblem

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**Describe the bug 🐞** When using ``Rodas5()`` on a ``SplitODEProblem{isinplace}`` ForwardDiff is not working. (I think because ``du`` is not a Dual Number when it should be.) **Expected behavior** ForwardDiff...

10x - 100x speed up when using own implementation of Implicit Euler or Implicit Midpoint on linear test problem

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**Describe the bug 🐞** When using my own implementation of Implicit Euler or Implicit Midpoint (definition below), I get a 10x - 100x speed up on the linear test problem...

RDPK3Sp35(), RDPK3Sp49(), and RDPK3Sp510() not working with Float32

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**Describe the bug 🐞** RDPK3Sp35(), RDPK3Sp49(), and RDPK3Sp510() not working with Float32 (on CPU), when tspan is given as Float64 tuple. **Expected behavior** tspan = (0.0f0, 1.0f0) and (0.0, 1.0)...