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Mathematics
Erwin Kalvelagen's user avatar
Erwin Kalvelagen's user avatar
Erwin Kalvelagen's user avatar
Erwin Kalvelagen
  • Member for 8 years, 7 months
  • Last seen more than a week ago
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Developing Math Programming Models by day and trying to solve them at night.

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Top posts
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25
How to write if else statement in Linear programming?
Nov 2, 2017
8
Linear program with ceiling or floor functions
Jul 19, 2016
5
Minimizing quadratic objective function on the unit $\ell_1$ sphere
May 7, 2016
5
Convert NL equality constraint involving minimum to linear inequality constraint?
Dec 13, 2017
5
Antisymmetric Table Puzzle where the Rows/Columns Sum to Zero
May 24, 2018
5
Binary integer variables in linear programming
Jul 6, 2016
5
Binary variables in time series: integer linear programming
Nov 29, 2018
5
How can binary variables be modeled using continuous variables?
Jun 3, 2019
5
Maximize convex quadratic function on convex set (box constraints)
Dec 18, 2015
5
Expressing Boolean constraint in binary integer linear programming
Jan 22, 2017
Top network posts
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14
How to ask for second best solution to a MIP using JuMP
12
Hard to soft constraint
10
CPLEX log always the same after hours ("Gap" and "Best Integer" always blanks)
9
Non-symmetric Positive Definite/Semidefinite Matrix in Quadratic Program
8
Multithreading vs DPCC SYCL Programming for OR computational implementations