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#--- shell (Ubuntu 17.10, Octave 4.2.1, Python 3.6.4) | |
pip install oct2py==4.0.6 | |
#--- Python | |
x=[0.,0,0,0,0,1,1,1,1,0,0,0,0,0] | |
from oct2py import Oct2Py | |
with Oct2Py() as oc: | |
oc.eval('pkg load signal') | |
y = oc.sgolayfilt(x,3,5) | |
#--- stderr | |
Traceback (most recent call last): | |
File "<stdin>", line 1, in <module> | |
File "~/miniconda3/lib/python3.6/site-packages/oct2py/dynamic.py", line 96, in __call__ | |
return self._ref().feval(self.name, *inputs, **kwargs) | |
File "~/miniconda3/lib/python3.6/site-packages/oct2py/core.py", line 369, in feval | |
store_as=store_as, plot_dir=plot_dir) | |
File "~/miniconda3/lib/python3.6/site-packages/oct2py/core.py", line 568, in _feval | |
raise Oct2PyError(msg) | |
oct2py.utils.Oct2PyError: Octave evaluation error: | |
error: =: nonconformant arguments (op1 is 1x5, op2 is 3x5) | |
#--- work in plain Octave 4.2.1 | |
x=[0.,0,0,0,0,1,1,1,1,0,0,0,0,0]; | |
pkg load signal | |
y = sgolayfilt(x,3,5); | |
type y | |
y is a variable | |
Columns 1 through 5: | |
0.00000 0.00000 0.00000 -0.08571 0.25714 | |
Columns 6 through 10: | |
0.74286 1.08571 1.08571 0.74286 0.25714 | |
Columns 11 through 14: | |
-0.08571 0.00000 0.00000 0.00000 | |
# --- omitting all but first argument works from Python | |
sgolayfilt(x) == sgolayfilt(x,3,5) since those are the default parameters. | |
y = oc.sgolayfilt(x) | |
>>> y | |
array([[ 0. , 0. , 0. , -0.08571429, 0.25714286, | |
0.74285714, 1.08571429, 1.08571429, 0.74285714, 0.25714286, | |
-0.08571429, 0. , 0. , 0. ]]) | |
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