This was a bug and has been fixed in the development version. It will work in the next version.
Aaron Meurer On Mon, Nov 11, 2013 at 2:05 PM, Erin Hodgess <[email protected]> wrote: > Hello! > > I'm having a little trouble with some integration. > > My goal is to set up a cumulative distribution for some functions. The one > below is my attempt at the gamma distribution. However, it does not like > the integrate statement. > > > > >>>> x, y, t = symbols('x y t') >>>> shape = float(4.0) >>>> scale = float(1.5) >>>> z2 = (scale**shape)*gamma(shape) >>>> y = ((x*(shape-1))*exp(-x/scale))/z2 >>>> y > 0.0987654320987654*x*exp(-0.666666666666667*x) >>>> integrate(y,(x,0,t)) > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > File > "/usr/local/lib/python2.7/dist-packages/sympy/utilities/decorator.py", line > 30, in threaded_func > return func(expr, *args, **kwargs) > File > "/usr/local/lib/python2.7/dist-packages/sympy/integrals/integrals.py", line > 1626, in integrate > risch=risch, manual=manual) > > Has anyone run into this before, please? > > Thanks in advance for any help. > > Sincerely, > Erin > > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sympy. > For more options, visit https://groups.google.com/groups/opt_out. -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.
