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bnavigator wants to merge 7 commits into from
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Noslycot nan #660

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207a059
ease test tolerance on timeseries
bnavigator Nov 1, 2021
feb8815
debug noslycot solve error
bnavigator Nov 1, 2021
73062d9
debug noslycot solve error: don't raise but print
bnavigator Nov 1, 2021
6a8b62f
debug noslycot solve error: don't raise but print nan
bnavigator Nov 1, 2021
d163e15
debug noslycot solve error: don't raise but print nan, when created
bnavigator Nov 1, 2021
a9a846b
Merge branch 'easetol' into noslycot-nan
bnavigator Nov 1, 2021
8f36848
Update control/statesp.py
bnavigator Nov 1, 2021
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debug noslycot solve error: don't raise but print nan
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@bnavigator
bnavigator committed Nov 1, 2021
commit 6a8b62f6fd1f903d5446800f279569ac561b9eaa
4 changes: 3 additions & 1 deletion control/statesp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -910,7 +910,6 @@ def horner(self, x, warn_infinite=True):
solve(x_idx * eye(self.nstates) - self.A, self.B)) \
+ self.D
except LinAlgError as e:
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print(self)
# Issue a warning messsage, for consistency with xferfcn
if warn_infinite:
warn("singular matrix in frequency response",
Expand All @@ -922,6 +921,9 @@ def horner(self, x, warn_infinite=True):
out[:, :, idx] = complex(np.nan, np.nan)
else:
out[:, :, idx] = complex(np.inf, np.nan)
if np.any(np.isnan(out)):
print(self)
print(out)

return out

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