There was some discussion of this over at http://code.google.com/p/sympy/issues/detail?id=2009.
Aaron Meurer On Nov 24, 2010, at 9:04 PM, smichr wrote: > sometimes solve returns None and sometimes it returns []. Is there any > reason that a None would be preferred to []? > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/sympy?hl=en. > -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
