If I ever get around to getting integration3 merged, SymPy will be
able to do this integral.
Aaron Meurer
On Tue, Jul 10, 2012 at 4:06 PM, Chris Smith <smi...@gmail.com> wrote:
> On Tue, Jul 10, 2012 at 12:39 PM, Lewis <lewis...@gmail.com> wrote:
>> Hi I'm trying to integrate a function that is the derivative of
>> another function, but I get a long train of errors. The error is
>> really long but ends up with "raise CoercionFailed("expected Number
>> object, got %s" % a)
>> CoercionFailed: expected Number object, got +inf"
>>
>> My code:
>>
>> from sympy import symbols, Symbol, ln, diff, exp, integrate
>>
>> y = Symbol('y')
>> def prob(b_y,y1,y2,p1,p2):
>> v1=b_y*(y1-p1)
>> v2=b_y*(y2-p2)
>> return exp(v1)/((exp(v1)+exp(v2)))
>>
>> print integrate(-y*diff(prob(.05,80.,y,5,2),y),(y,80.,85))
>
> I get
>
>
>
>>>> print integrate(-y*diff(prob(.05,80.,y,5,2),y),(y,80.,85))
> Integral(1.92373330245161*y*exp(0.05*y)/(0.90483741803596*exp(0.05*y) +
> 42.52108
> 20000628)**2, (y, 80.0, 85))
>
> (see http://tinyurl.com/7oqpu7v or google "sympy bleeding edge")
>
> /c
>
> --
> You received this message because you are subscribed to the Google Groups
> "sympy" group.
> To post to this group, send email to sympy@googlegroups.com.
> To unsubscribe from this group, send email to
> sympy+unsubscr...@googlegroups.com.
> 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 sympy@googlegroups.com.
To unsubscribe from this group, send email to
sympy+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/sympy?hl=en.
