Solving an underdetermined scipy.sparse matrix using svd

Question

Problem

I have a set of equations with variables denoted with lowercase variables and constants with uppercase variables as such

A = a + b  
B = c + d          


        

Answer 1

To build on ewcz's answer, both the nullspace and pseudo-inverse can be calculated using numpy.linalg.svd. See the links below:

pseudo-inverse

nullspace