Fix CVXPY support
Due to (maybe) CVXPY API changes, the cvxpy translator expects Variables to be matrices of shape (n_monom, 1) instead of simple arrays. This leads to Issue #39, solved by this commit.
Edited by Andrea Olivo
Due to (maybe) CVXPY API changes, the cvxpy translator expects Variables to be matrices of shape (n_monom, 1) instead of simple arrays. This leads to Issue #39, solved by this commit.