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Questions - docplex

CpoException: Executable file should be given in 'execfile' context attribute

the line in question that is giving me problems is the following: msol = mdl.solve(TimeLimit=20, trace_log=False, execfile='\Applications\CPLEX_Studio_Community201\cpoptimizer\bin\x86-64_osx\cpoptimiz...
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Manuel Lopez

cplex

docplex

cp-optimizer

Votes: 0

Answers: 1

Latest Answer

I am not sure on MacOS the executable name ends with .exe, it should be cpoptimizer. And also the path separarators is / instead of \ so execfile='/Applications/CPLEX_Studio_Community201/cpoptimizer/b...
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Frederic Delhoume

How can I add multiple constraint groups to a diet model?

I struggle a bit to understand the different steps that are used in this example: diet.py, I've added the same code below. Also not an expert in modelling. As I understand it: the first part makes tu...
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Caroline Gebara

python

constraints

cplex

minimize

docplex

Votes: 0

Answers: 1

Latest Answer

If the 2 models are independent then it's better to "have the two groups running in parallel (as two models)" with your own words. Let me use a story that is even simpler than the diet one. ...
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Alex Fleischer

Translation of a mathematical summation into code

I'm playing with docplex on Python and I'm facing some difficulties. I wanto to code the Mathematical expressions attached in the image as constraints, but it is quite hard for me. I know that t and T...
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Fab

python

docplex

Votes: 0

Answers: 1

Latest Answer

I coded the first constraint without considering v'≠v, I don't know if it is even possible to add it For this, just change sum(x[v,v1] for v1 in range(V)) to sum(x[v,v1] for v1 in range(V) if v != ...
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Code-Apprentice

How can obtain the range of all solutions with CPLEX optimizer?

I am working on defining a diet model, to extract all possible solutions of diets with both environmental and nutritional constraints. I have used the same setup as in this docplex-example at GitHub t...
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Caroline Gebara

python

optimization

cplex

docplex

Votes: 0

Answers: 1

Latest Answer

You could use the solution pool replacement strategy Designates the strategy for replacing a solution in the solution pool when the solution pool has reached its capacity. The docplex python paramet...
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Alex Fleischer

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