Jason K. Moore

> The 3.12 jobs are not "required" in the sense that they does not need to pass for a PR to be merged. I would expect the merge button to...

This is what I see: 

I understand all that, but the merge button is not green. In the past, if all (required) tests pass, you get a big green merge button. I don't know why...

Maybe I'm just remembering how it worked with Travis.

Is there any possibility to cse the equations and then solve the simplified equations with Oscar's method, then substitute the sub expressions back in? Would that possibly reduce the number...

Here are some thoughts on solving the bike model with Autolev. I never hit this issue with Autolev. This, of course, doesn't mean that Autolev was not susceptible. In my...

Another idea is that in the step when forming the equations of motion for a system with constraints you can rewrite the dependent speeds as expressions of the independent speeds...

A practical solution is to provide an argument to `KanesMethod` that let's the user choose one of as many linear solve options that we have available. Then you can simply...

Note that LUsolve was not originally used for this: https://github.com/sympy/sympy/blame/701728caa2f0502a8e3b8112db3102a24655b6bd/sympy/physics/mechanics/kane.py#L290 there was this: https://github.com/sympy/sympy/blob/701728caa2f0502a8e3b8112db3102a24655b6bd/sympy/physics/mechanics/functions.py#L417

Here is the commit where it was changed: https://github.com/sympy/sympy/commit/196d9482db013da95ae545ed736f2ed9bfb6d94a