I am interested in seeing how to check if there is a consistent solution for a linear system which does not have a square matrix.
I'm not sure what the best way to do this is, linsolve does not work(at least how I am using).
2026-03-25 01:22:18.1774401738
Matlab: Checking exsistence of solutions for non-square linear system.
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One possible way is to compute the RREF of the augmented matrix and see if you obtain a row of all $0$'s but with last entry being $1$, if that is the case then it is not consistent because that would mean $0=1$.
Otherwise it is consistent.