[Octave-bug-tracker] [bug #46771] symbolic/sympy oct-package fails

[anonymous]

Follow-up Comment #4, bug #46771 (project octave):

Some other tests:

>> x=sym('x')
>> f=x^2

>> fd=diff(f,x)
OctSymPy v2.2.4: this is free software without warranty, see source.
Initializing communication with SymPy using a popen2() pipe.
Detected Windows: using "winwrapy.bat" to workaround Octave bug #43036
Some output from the Python subprocess (pid 6148) might appear next.

OctSymPy: Communication established.  SymPy v0.7.6.1.
Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:38:48) [MSC v.1900 32 bit
(Intel)]
PYTHON: Error in var export
Resetting the octsympy communication mechanism
Closing the Python pipe...
error: python_cmd: unexpected return
error: called from
    python_cmd at line 144 column 6
    diff at line 106 column 5

>> fd=sin(x)
OctSymPy v2.2.4: this is free software without warranty, see source.
Initializing communication with SymPy using a popen2() pipe.
Detected Windows: using "winwrapy.bat" to workaround Octave bug #43036
Some output from the Python subprocess (pid 11596) might appear next.

OctSymPy: Communication established.  SymPy v0.7.6.1.
Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:38:48) [MSC v.1900 32 bit
(Intel)]
fd = (sym) sin(x)

>> sin(f(x))
OctSymPy v2.2.4: this is free software without warranty, see source.
Initializing communication with SymPy using a popen2() pipe.
Detected Windows: using "winwrapy.bat" to workaround Octave bug #43036
Some output from the Python subprocess (pid 11568) might appear next.

OctSymPy: Communication established.  SymPy v0.7.6.1.
Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:38:48) [MSC v.1900 32 bit
(Intel)]
error: subscript indices must be integers or boolean
error: called from
    subsindex at line 49 column 5
    subsref at line 37 column 22
error: evaluating argument list element number 1

>> f(x)
OctSymPy v2.2.4: this is free software without warranty, see source.
Initializing communication with SymPy using a popen2() pipe.
Detected Windows: using "winwrapy.bat" to workaround Octave bug #43036
Some output from the Python subprocess (pid 10080) might appear next.

OctSymPy: Communication established.  SymPy v0.7.6.1.
Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:38:48) [MSC v.1900 32 bit
(Intel)]
error: subscript indices must be integers or boolean
error: called from
    subsindex at line 49 column 5
    subsref at line 37 column 22

>> [x,x;x,x]
OctSymPy v2.2.4: this is free software without warranty, see source.
Initializing communication with SymPy using a popen2() pipe.
Detected Windows: using "winwrapy.bat" to workaround Octave bug #43036
Some output from the Python subprocess (pid 220) might appear next.

OctSymPy: Communication established.  SymPy v0.7.6.1.
Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:38:48) [MSC v.1900 32 bit
(Intel)]
PYTHON: Error in var export
Resetting the octsympy communication mechanism
Closing the Python pipe...
error: python_cmd: unexpected return
error: called from
    python_cmd at line 144 column 6
    vertcat at line 51 column 11


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