Christopher Rackauckas

icon indicating a website link www.chrisrackauckas.com icon indicating an email [email protected]

icon company Massachusetts Institute of Technology icon location Cambridge, MA icon location Applied Mathematics Instructor at MIT, researching numerical differential equations and their applications to scientific machine learning (SciML)

Results 4570 comments of Christopher Rackauckas

Change allow_symbolic to default to true

What's left here?

Bump compats and update tutorials for Optimization v4

@avik-pal update Boltz?

Bump compats and update tutorials for Optimization v4

What's the state of this?

`symbolic_linear_solve` returns Inf if var is missing

0 ~ a + 0*b -0*b ~ 1*a b ~ -1/0 * a

`symbolic_linear_solve` returns Inf if var is missing

We can make this return NaN

x+im = 0 is linear?

Indeed it seems like the `islinear` function is currently not complex-aware so it it throws more safety errors than it should. This function should get expanded. I think solve_for may...

Document Symbolics <-> SymPy roundtripping

Should this `exchange ` function be added to SymPyPythonCall? Is there some issue with having `symbolics_to_sympy(ex)` find the variables and do such a conversion automatically without requiring the named symbols...

Symbolic nullspace

It would be possible but it hasn't been implemented yet.

Add link to documentation on GitHub page

It should just point to the NonlinearSolve docs. Folding this into NonlinearSolve.jl's repo might make sense.

Method Error with stead state solution

Can you show the error?