Warning: matrices are singular or close to singular. Results can be inaccurate. RCOND = 3.993712e-18?

[K-M-Ibrahim-Khalilullah]

@dansanche
Thanks for this repository. Would you give some ideas to solve for the following warning:

Warning: matrices are singular or close to singular. Results can be inaccurate. RCOND = 3.993712e-18.

[daniel-sanche]

Sorry, I wrote this for a school project a couple years back, and I haven't done much MATLAB since

This might help:
https://math.stackexchange.com/questions/793199/ill-conditioned-matrix-matrix-is-close-to-singular-or-badly-scaled/827140