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MATPOWER / matpower

MATPOWER – steady state power flow simulation and optimization for MATLAB and Octave
https://matpower.org
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installation or test error with linprog #201

Closed PonySubway closed 7 months ago

PonySubway commented 1 year ago

Hi, there is an error when I use test_matpower and test_most, both in version 7.1 and 8.0. My MATLAB is R2023a runopf() works but i am not sure about other functions.

I am trying to use power flow calculation in MOST, is it okay if I ignore the error?

Error using linprog LINPROG(f,A,b,Aeq,beq,LB,UB,X0,OPTIONS) does not accept X0. Use LINPROG(f,A,b,Aeq,beq,LB,UB,OPTIONS) instead.

Error in qps_ot (line 268) linprog(c, Ai, bi, Ae, be, xmin, xmax, x0, ot_opt);

Error in qps_master (line 266) qps_ot(H, c, A, l, u, xmin, xmax, x0, opt);

Error in t_qps_master (line 107) [x, f, s, out, lam] = qps_master([], c, A, l, u, xmin, [], [], opt);

Error in t_run_tests (line 61) feval( test_names{k}, ~verbose );

Error in test_matpower (line 173) all_ok = t_run_tests( tests, verbose );

PonySubway commented 1 year ago

it happens when testing "t_qps_master"

rdzman commented 1 year ago

If you plan to use linprog() as a solver for MOST, you can't really ignore this.

The error is due to an incompatible change made by MATLAB in their latest release of the Optimization Toolbox. It has been fixed in this commit.

The easiest way to resolve it is probably to put the two files below in the mp-opt-model/lib sub-directory under your MATPOWER installation, replacing the existing ones.