S(0) is SymPy's zero, 0 is python's zero. SymPy integers form fractions under division, Python integers become floating-point numbers.
On Friday, March 20, 2015 at 6:57:27 PM UTC+1, Christoph Kukulies wrote: > > Hi, > > I'm playing a bit with sympy and reduce_inequations while I'm stumbling > about understanding a term: > > from sympy import Q, sympify as S > from sympy.abc import x, y > from sympy.solvers.inequalities import reduce_inequalities > reduce_inequalities(S(0) <= x + 3, Q.real(x), []) > > What does S(0) mean hetre exactly? print S(0) gives me 0, so why not just > 0 and why S(0)? > > Christoph > > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/12b24ee5-5f1c-486b-84d6-00518497beda%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
