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How to configure PuLP to call GLPK solver
How to merge two dictionaries in a single expression?How do I check if a list is empty?How do I check whether a file exists without exceptions?Calling an external command in PythonHow can I safely create a nested directory?How do I sort a dictionary by value?How do I list all files of a directory?Pyomo can't locate GLPK solverWhy does GLPK produce the error `cannot execute glpsol.exe` while the default PuLP solver works perfectly?Configuring XPRESS solver in PuLP, path not found
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I am using the PuLP library in Python to solve an MILP problem. I have run my problem successfully with the default solver (CBC). Now I would like to use PuLP with another solver (GLPK). How do I set up PuLP with GLPK?
I have done some research online and found information on how to use GLPK (e.g. with lp_prob.solve(pulp.GLPK_CMD())) but haven't found information on how to actually set up PuLP with GLPK (or any other solver for that matter), so that it finds my GLPK installation. I have already installed GLPK seperately (but I didn't add it to my PATH environment variable).
I ran the command pulp.pulpTestAll()
and got:
Solver <class 'pulp.solvers.GLPK_CMD'> unavailable
I know that I should be getting a "passed" instead of an "unavailable" to be able to use it.
python pulp glpk
asked Mar 26 at 17:26
johnwolf1987johnwolf1987
354 bronze badges
add a comment |
I am using the PuLP library in Python to solve an MILP problem. I have run my problem successfully with the default solver (CBC). Now I would like to use PuLP with another solver (GLPK). How do I set up PuLP with GLPK?
I have done some research online and found information on how to use GLPK (e.g. with lp_prob.solve(pulp.GLPK_CMD())) but haven't found information on how to actually set up PuLP with GLPK (or any other solver for that matter), so that it finds my GLPK installation. I have already installed GLPK seperately (but I didn't add it to my PATH environment variable).
I ran the command pulp.pulpTestAll()
and got:
Solver <class 'pulp.solvers.GLPK_CMD'> unavailable
I know that I should be getting a "passed" instead of an "unavailable" to be able to use it.
python pulp glpk
asked Mar 26 at 17:26
johnwolf1987johnwolf1987
354 bronze badges
add a comment |
I am using the PuLP library in Python to solve an MILP problem. I have run my problem successfully with the default solver (CBC). Now I would like to use PuLP with another solver (GLPK). How do I set up PuLP with GLPK?
I have done some research online and found information on how to use GLPK (e.g. with lp_prob.solve(pulp.GLPK_CMD())) but haven't found information on how to actually set up PuLP with GLPK (or any other solver for that matter), so that it finds my GLPK installation. I have already installed GLPK seperately (but I didn't add it to my PATH environment variable).
I ran the command pulp.pulpTestAll()
and got:
Solver <class 'pulp.solvers.GLPK_CMD'> unavailable
I know that I should be getting a "passed" instead of an "unavailable" to be able to use it.
python pulp glpk
asked Mar 26 at 17:26
johnwolf1987johnwolf1987
354 bronze badges
I am using the PuLP library in Python to solve an MILP problem. I have run my problem successfully with the default solver (CBC). Now I would like to use PuLP with another solver (GLPK). How do I set up PuLP with GLPK?
I have done some research online and found information on how to use GLPK (e.g. with lp_prob.solve(pulp.GLPK_CMD())) but haven't found information on how to actually set up PuLP with GLPK (or any other solver for that matter), so that it finds my GLPK installation. I have already installed GLPK seperately (but I didn't add it to my PATH environment variable).
I ran the command pulp.pulpTestAll()
and got:
Solver <class 'pulp.solvers.GLPK_CMD'> unavailable
I know that I should be getting a "passed" instead of an "unavailable" to be able to use it.
python pulp glpk
python pulp glpk
asked Mar 26 at 17:26
johnwolf1987johnwolf1987
354 bronze badges
asked Mar 26 at 17:26
johnwolf1987johnwolf1987
354 bronze badges
asked Mar 26 at 17:26
johnwolf1987johnwolf1987
354 bronze badges
asked Mar 26 at 17:26
johnwolf1987johnwolf1987
354 bronze badges
asked Mar 26 at 17:26
johnwolf1987johnwolf1987
354 bronze badges
354 bronze badges
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
After reading in more detail the code and testing out some things, I finally found out how to use GLPK with PuLP, without changing anything in the PuLP package itself.
Your need to pass the path as an argument to GLPK_CMD in solve as follows (replace with your glpsol path):
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe')
You can also pass options that way, e.g.
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe', options = ["--mipgap", "0.01","--tmlim", "1000"])
answered Mar 27 at 16:40
johnwolf1987johnwolf1987
354 bronze badges
I did that but it saysPulpSolverError: PuLP: cannot execute C:Program Filesglpk-4.65w64glpsol.exe
– Rahul Sharma
Jun 19 at 6:31
add a comment |
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1 Answer
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After reading in more detail the code and testing out some things, I finally found out how to use GLPK with PuLP, without changing anything in the PuLP package itself.
Your need to pass the path as an argument to GLPK_CMD in solve as follows (replace with your glpsol path):
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe')
You can also pass options that way, e.g.
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe', options = ["--mipgap", "0.01","--tmlim", "1000"])
answered Mar 27 at 16:40
johnwolf1987johnwolf1987
354 bronze badges
I did that but it saysPulpSolverError: PuLP: cannot execute C:Program Filesglpk-4.65w64glpsol.exe
– Rahul Sharma
Jun 19 at 6:31
add a comment |
After reading in more detail the code and testing out some things, I finally found out how to use GLPK with PuLP, without changing anything in the PuLP package itself.
Your need to pass the path as an argument to GLPK_CMD in solve as follows (replace with your glpsol path):
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe')
You can also pass options that way, e.g.
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe', options = ["--mipgap", "0.01","--tmlim", "1000"])
answered Mar 27 at 16:40
johnwolf1987johnwolf1987
354 bronze badges
I did that but it saysPulpSolverError: PuLP: cannot execute C:Program Filesglpk-4.65w64glpsol.exe
– Rahul Sharma
Jun 19 at 6:31
add a comment |
After reading in more detail the code and testing out some things, I finally found out how to use GLPK with PuLP, without changing anything in the PuLP package itself.
Your need to pass the path as an argument to GLPK_CMD in solve as follows (replace with your glpsol path):
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe')
You can also pass options that way, e.g.
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe', options = ["--mipgap", "0.01","--tmlim", "1000"])
answered Mar 27 at 16:40
johnwolf1987johnwolf1987
354 bronze badges
After reading in more detail the code and testing out some things, I finally found out how to use GLPK with PuLP, without changing anything in the PuLP package itself.
Your need to pass the path as an argument to GLPK_CMD in solve as follows (replace with your glpsol path):
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe')
You can also pass options that way, e.g.
lp_prob.solve(GLPK_CMD(path = 'C:\Users\username\glpk-4.65\w64\glpsol.exe', options = ["--mipgap", "0.01","--tmlim", "1000"])
answered Mar 27 at 16:40
johnwolf1987johnwolf1987
354 bronze badges
answered Mar 27 at 16:40
johnwolf1987johnwolf1987
354 bronze badges
answered Mar 27 at 16:40
johnwolf1987johnwolf1987
354 bronze badges
answered Mar 27 at 16:40
johnwolf1987johnwolf1987
354 bronze badges
354 bronze badges
I did that but it saysPulpSolverError: PuLP: cannot execute C:Program Filesglpk-4.65w64glpsol.exe
– Rahul Sharma
Jun 19 at 6:31
add a comment |
I did that but it saysPulpSolverError: PuLP: cannot execute C:Program Filesglpk-4.65w64glpsol.exe
– Rahul Sharma
Jun 19 at 6:31
I did that but it says
PulpSolverError: PuLP: cannot execute C:Program Filesglpk-4.65w64glpsol.exe– Rahul Sharma
Jun 19 at 6:31
I did that but it says
PulpSolverError: PuLP: cannot execute C:Program Filesglpk-4.65w64glpsol.exe– Rahul Sharma
Jun 19 at 6:31
add a comment |
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