Erwin Kalvelagen

Erwin Kalvelagen has asked 7 questions and find answers to 49 problems.

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Developing Math Programming Models by day and trying to solve them at night.

Erwin Kalvelagen questions

Plotly 3dscatter and colorscale
Shortest path (path + length) in Igraph
Drawing a 3d box in a 3d scatterplot using plotly
Bokeh: Synchronizing hover tooltips in linked plots
Why would one use this tolerance in is.wholenumber

Erwin Kalvelagen answers

block of consecutive variables to have same value in mixed-integer linear programming
Facility Location - Algorithm to Minimize facilities serving customers with distance constraint
Formulating pricing optimization as MILP
Gurobi Optimizer: determining feasibility without optimizing the model
L-BFGS-B does not satisfy given constraint
Algorithm to arrange audio tracks on a number of sides of vinyl, optimizing for smallest maximum side length?
Shortest path (path + length) in Igraph
inverted indicator constraint in gurobipy
Algorithms for optimal student seating arrangements
Linear program objective function depends on sign of variable