GNU Octave
I would classify this as a matlab alternative. Plot stuff. Do Matrix calculations with direct (syntax) support in the programming language.
https://www.gnu.org/software/octave/Open linkView original on lemmy.mlhttps://www.gnu.org/software/octave/Open linkView original on lemmy.ml
Personally, I'd rather use Python with matplotlib when I need to plot stuff, but Octave is great if you have to deal with Matlab code!
Used it for a ML MOOC a long time ago. Switched to Python/Numpy for better general programming features. Numpy has pretty good syntax for matrix computation, IMO.
SageMath is my go to for heavy math.
GNU Octave is great when reviving old Matlab projects! I only wish for something similar to Simulink
Its good for legacy MATLAB projects. Use Python for new projects.
See also https://maxima.sourceforge.io/
This was my go to software for experimenting with linear algebra etc. Haven't had the need recently though.