Hello,

I'm having troubles with using desolve_system on differential equations
system.
There is an Error executing code in Maxima.
I really don't know what might be going on, please help or suggest how
to bypass this.

Thanks a lot

Ondra

the whole notebook is here:
https://molly.kyberia.cz:8000/home/pub/6/

whole errorlog here:
https://molly.kyberia.cz:8000/home/ondra/10/cells/9/full_output.txt

except from errorlog:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "_sage_input_26.py", line 10, in <module>
    exec compile(u'open("___code___.py","w").write("# -*- coding: utf-8
-*-\\n" +
_support_.preparse_worksheet_cell(base64.b64decode("cmVzID0gZGVzb2x2ZV9zeXN0ZW0oZXF1YXRpb25zLCB1bmtub3ducywgaWNzPWluaXRpYWxzKQ=="),globals())+"\\n");
 execfile(os.path.abspath("___code___.py"))' + '\n', '', 'single')
  File "", line 1, in <module>
    
  File "/tmp/tmpUUopGy/___code___.py", line 2, in <module>
    exec compile(u'res = desolve_system(equations, unknowns,
ics=initials)' + '\n', '', 'single')
  File "", line 1, in <module>
    
  File
"/opt/sage/local/lib/python2.6/site-packages/sage/calculus/desolvers.py", line 
739, in desolve_system
    if str(soln).strip() == 'false':
  File
"/opt/sage/local/lib/python2.6/site-packages/sage/interfaces/maxima.py",
line 1725, in __str__
    return self.display2d(onscreen=False)
  File
"/opt/sage/local/lib/python2.6/site-packages/sage/interfaces/maxima.py",
line 1978, in display2d
    s = P._eval_line('disp(%s)$'%self.name(), reformat=False)
  File
"/opt/sage/local/lib/python2.6/site-packages/sage/interfaces/maxima.py",
line 789, in _eval_line
    self._error_check(line, out)
  File
"/opt/sage/local/lib/python2.6/site-packages/sage/interfaces/maxima.py",
line 718, in _error_check
    self._error_msg(str, out)
  File
"/opt/sage/local/lib/python2.6/site-packages/sage/interfaces/maxima.py",
line 721, in _error_msg
    raise TypeError, "Error executing code in Maxima\nCODE:\n\t%s
\nMaxima ERROR:\n\t%s"%(str, out.replace('-- an error.  To debug this
try debugmode(true);',''))
TypeError: Error executing code in Maxima
CODE:
disp(sage29)$
Maxima ERROR:

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