In JuMP 0.18 documentation on Problem Modification, I read that
JuMP does not currently support changing constraint coefficients. For less-than and greater-than constraints, the right-hand-side can be changed.
However, does this feature extends to equality constraints ? Or should I convert my equality contraints to two inequalities ?
Would this conversion impact the performance? (I’m solving LPs with Clp).
Or maybe I should wait for the transition to MathOptInterface (cf. answer in Updating data in JuMP constraints iteratively? - #7 by miles.lubin)