https://lectures.scientific-python.org/packages/sympy.html
sympy : Symbolic Mathematics in Python — Scientific Python Lectures
sympysymbolicmathematicspythonscientific
https://matthewrocklin.com/blog/work/2012/10/29/Matrix-Computations
Matrix Computations in SymPy
matrixsympy
https://numfocus.org/project/sympy
SymPy - NumFOCUS
Dec 31, 2021 - SymPy is a library for symbolic mathematics, which means performing mathematical calculations exactly (as opposed to inexact numeric calculations from...
sympynumfocus