[SciPy-user] openopt - any examples work?
Neal Becker
ndbecker2 at gmail.com
Thu Jan 24 14:00:35 EST 2008
I just grabbed openopt svn (linux-fedora-f8) and did python setup.py
install.
I randomly tried 2 examples:
python example.py
starting solver ralg (license: BSD) with problem unnamed
Traceback (most recent call last):
File "example.py", line 66, in <module>
exampleNSP()
File "example.py", line 49, in exampleNSP
r = p.solve('ralg') # ralg is name of a solver
File "/usr/lib/python2.5/site-packages/scikits/openopt/Kernel/BaseProblem.py",
line 211, in solve
return runProbSolver(self, solvers, *args)
File "/usr/lib/python2.5/site-packages/scikits/openopt/Kernel/runProbSolver.py",
line 146, in runProbSolver
solver(p)
File "/usr/lib/python2.5/site-packages/scikits/openopt/solvers/UkrOpt/ralg.py",
line 62, in __solver__
g, fname, ind = self.getRalgDirection(x, p)
File "/usr/lib/python2.5/site-packages/scikits/openopt/solvers/UkrOpt/ralg.py",
line 202, in getRalgDirection
maxRes, fname, ind = p.getMaxResidual(x, retAll=True)
TypeError: getMaxResidual() got an unexpected keyword argument 'retAll'
python nlp_1.py
Traceback (most recent call last):
File "nlp_1.py", line 108, in <module>
r = p.solve('ALGENCAN')
File "/usr/lib/python2.5/site-packages/scikits/openopt/Kernel/BaseProblem.py",
line 211, in solve
return runProbSolver(self, solvers, *args)
File "/usr/lib/python2.5/site-packages/scikits/openopt/Kernel/runProbSolver.py",
line 23, in runProbSolver
solverClass = getattr(__import__(solver_str), solver_str)
File "/usr/lib/python2.5/site-packages/scikits/openopt/solvers/BrasilOpt/ALGENCAN.py",
line 4, in <module>
import algencan
ImportError: No module named algencan
Not a good start.
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