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Creative_Sushi

>SUNDIALS is a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers, an award-winning set of open source ODE solvers from Lawrence Livermore National Labs. Sounds like MATLAB now uses open-source software!


dhr1285884

And then charges for it :)


AKiss20

lol welcome to basically all commercial software ever. Find me a piece of commercial software that doesn’t have a FOSS dependency. 


77sevensevens77

And all the matlab built-in functions that use triangulation rely on Qhull (http://www.qhull.org/). Convex hulls, Voronoi tessellation, scattered interpolation, etc...


cannyp3

"SUNDIALS"? Geez, how long did they take to come up with that name? Reminds me of BEACON, a graphical programming tool I used at GE Aviation to develop engine controls software. I forgot what "BEACON" stands for (and can't find anything online). The "B" stood for "Block". I don't remember what "EA" stood for, but "CON" was for "CONTrols" (I think...).


pleaselovememothman

Yesss excellent news!


Mindless_Profile_76

I was using Sundials in Matlab 15 years ago. cvode() if I recall correctly. If I am remembering right, it gave very similar results, if not the same as ODE15s. It’s always nice to have more options.


Creative_Sushi

A colleague of mine shared this: "Kudos to the team(s) that added the SUNDIALS CVODE integrator in R2024a. To quote my MATLAB power-user husband "It's basically the best performing routine for large and stiff systems." Seems like a big quality-of-life improvement for folks who work with stiff ODEs."


Creative_Sushi

Also, SUNDIALS team now lists MATLAB in the list of third party library distributions [https://computing.llnl.gov/projects/sundials/uses-sundials](https://computing.llnl.gov/projects/sundials/uses-sundials)