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LQR using SciPy #683

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Merged
merged 7 commits into from
Dec 26, 2021
Merged

LQR using SciPy #683

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91a0455
add method='scipy' to lqr()
murrayrm Dec 23, 2021
88da729
cache status of slycot in slycot_check()
murrayrm Dec 23, 2021
69e9605
simplify mateqn argument processing/checking
murrayrm Dec 23, 2021
4baea13
add method='scipy' to mateqn functions
murrayrm Dec 23, 2021
b284c47
use care() for lqr()
murrayrm Dec 24, 2021
53f7808
fix up rebase issues
murrayrm Dec 24, 2021
801f282
address @bnavigator comments
murrayrm Dec 26, 2021
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15 changes: 9 additions & 6 deletions control/exception.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,10 +61,13 @@ class ControlNotImplemented(NotImplementedError):
pass

# Utility function to see if slycot is installed
slycot_installed = None
def slycot_check():
try:
import slycot
except:
return False
else:
return True
global slycot_installed
if slycot_installed is None:
try:
import slycot
slycot_installed = True
except:
slycot_installed = False
return slycot_installed
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