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[Octave-bug-tracker] [bug #46841] Symbolic package subs fails for long e


From: Jari-Pekka Ikonen
Subject: [Octave-bug-tracker] [bug #46841] Symbolic package subs fails for long expressions
Date: Sat, 09 Jan 2016 19:45:17 +0000
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.73 Safari/537.36 OPR/34.0.2036.25

Follow-up Comment #3, bug #46841 (project octave):

Also for a single symbol definition:

/
>> x=sym('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 15312) might appear next.
Technical details: fin = 4, fout = 3, pid = 15312.
Waiting......................warning: readblock: timeout of 30 exceeded,
breaking out
warning: called from
    readblock at line 83 column 7
    python_ipc_popen2 at line 77 column 14
    python_ipc_driver at line 30 column 13
    python_cmd at line 138 column 9
    sym at line 361 column 5
no output so far

err:
 1
out:
nFAILED TIMEOUTn
error: ipc_popen2: something wrong? timed out starting python
error: called from
    python_ipc_popen2 at line 79 column 7
    python_ipc_driver at line 30 column 13
    python_cmd at line 138 column 9
    sym at line 361 column 5
>>
/

What other information I can find for you? Variables err and out were
displayed when calling readblock. Other things are not so easy to test as
symbols are not available. Maybe some debug printing?

The error is the same independent of whether python console is running at the
same time, as expected I suppose.

Is there a minimum memory limit using python in this? Or is my installation
(Windows, octave, python, sympy) lacking something? Should I have all other
packages also installed?


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