Hello there,
I have the same behavior on Fedora 18 x86_64
;;;
;;; Detected access to protected memory, also kwown as 'bus or segmentation
fault'.
;;; Jumping to the outermost toplevel prompt
;;;
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-7-524b3559a41c> in <module>()
----> 1 solution=solve([(a*x+b*y)*x*y/c==Integer(1),Integer(3)*log(a + b +
c) - log(Integer(27)*a*b*x*y)],x,y,solution_dict=True)
/usr/lib64/python2.7/site-packages/sage/symbolic/relation.pyc in solve(f,
*args, **kwds)
751 s = []
752
--> 753 sol_list = string_to_list_of_solutions(repr(s))
754
755 # Relaxed form suggested by Mike Hansen (#8553):
/usr/lib64/python2.7/site-packages/sage/symbolic/relation.pyc in
string_to_list_of_solutions(s)
456 from sage.calculus.calculus import
symbolic_expression_from_maxima_string
457 v = symbolic_expression_from_maxima_string(s, equals_sub=True)
--> 458 return Sequence(v, universe=Objects(), cr_str=True)
459
460 ###########
/usr/lib64/python2.7/site-packages/sage/structure/sequence.pyc in
Sequence(x, universe, check, immutable, cr, cr_str, use_sage_types)
298 return Sequence_generic(x, universe, check, immutable,
cr, cr_str, use_sage_types)
299 else:
--> 300 return Sequence_generic(x, universe, check, immutable, cr,
cr_str, use_sage_types)
301
302 class Sequence_generic(sage.structure.sage_object.SageObject, list):
/usr/lib64/python2.7/site-packages/sage/structure/sequence.pyc in
__init__(self, x, universe, check, immutable, cr, cr_str, use_sage_types)
502 self.__universe = universe
503 if check:
--> 504 x = [universe(t) for t in x]
505 list.__init__(self, x)
506 self._is_immutable = immutable
TypeError: 'sage.symbolic.expression.Expression' object is not iterable
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