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LQR check inputs #274

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don4get wants to merge 12 commits into from
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LQR check inputs #274

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96868ec
Add requirements.txt file
don4get Dec 28, 2018
d8e5778
Update run_all tests to make it run in pycharm
don4get Dec 28, 2018
7cd1d65
[statefbk.py] Refactor style
don4get Jan 5, 2019
aeb12f1
[exception.py] Clean except case
don4get Jan 5, 2019
ed7ea51
[statefbk.py] Refactor place, induce change in API
don4get Jan 5, 2019
14fa3a6
[statefbk_test.py] Fix pep8 warnings
don4get Jan 5, 2019
e26f9cc
[test_statefbk.py] Clean style and remove matrix usage
don4get Jan 5, 2019
707f6fc
Test place with varga method only if slycot is installed
don4get Jan 5, 2019
89e5c7b
[pvtol-lqr] Fix pep8 warnings
don4get Jan 7, 2019
a1b7421
[pvtol-lqr-nested.ipynb] Clean example
don4get Jan 7, 2019
8644954
[statefbk.py] Check that LQR problem is solvable
don4get Jan 8, 2019
2afed81
[test_statefbk.py] Pep8 cleaning
don4get Jan 8, 2019
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16 changes: 14 additions & 2 deletions control/exception.py
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Original file line number Diff line number Diff line change
Expand Up @@ -39,32 +39,44 @@
#
# $Id$


class ControlSlycot(Exception):
"""Exception for Slycot import. Used when we can't import a function
from the slycot package"""
pass
def __init__(self, error):
print("slycot import failed")
print(error)


class ControlDimension(Exception):
"""Raised when dimensions of system objects are not correct"""
pass


class ControlArgument(Exception):
"""Raised when arguments to a function are not correct"""
pass


class ControlMIMONotImplemented(Exception):
"""Function is not currently implemented for MIMO systems"""
pass


class ControlNotImplemented(Exception):
"""Functionality is not yet implemented"""
pass


# Utility function to see if slycot is installed
def slycot_check():
try:
import slycot
except:
except ImportError as error:
print(error)
return False
except Exception as exception:
print(exception, False)
return False
else:
return True
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