PaulNiklas Kandora
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Latest activity by PaulNiklas Kandora
PaulNiklas Kandora commented,
Dear Simran, thanks for the message! This files solves my issueBest, Paul

PaulNiklas Kandora created a post,
See algebraic expressions of problem in debug mode or print
AnsweredHello, I have the following toy problem: import gurobipy as gpfrom gurobipy import GRB # Create a new modelmodel = gp.Model("quadratic_constraint_problem") # Add variablesx1 = model.addVar(name="x1...

PaulNiklas Kandora created a post,
Problem with solution of soc relaxation of an optimal power flow problem
AnsweredHello,I implemented (hardcoded) the following jabrsocrelaxation formulation of the opf from https://ieeexplore.ieee.org/document/7056568 using 2bus2generator instances from IV A: import numpy ...

PaulNiklas Kandora commented,
Jaromił Najman thanks for the response! I was actually able to solve the problem by myself with introducing a support variable (support_quad_expr): factor_obj = { c: m.addVar(name=f"factor_obj_{...

PaulNiklas Kandora created a post,
Different solutions for different modelling approaches
AnsweredHey, I obtain different solutions for different modelling approaches:1.) Approach factor_obj_c = { c: m.addVar(name=f"factor_obj_{c}") for c in C}quad_expr_c = { c: m.addVar(name=f"quad_expr...