On Mar 26, 2009, at 6:58 PM, [email protected] wrote:
> This will bomb because numerical_integral doesn't allow vars for the
> limits of integration:
> Y(t)=2500+numerical_integral(S(u)-R(u),0,t)[0]
>
> I tried Y(t)=2500+numerical_integral(S(u)-R(u),0,x).substitute(x=t)[0]
>
> and
>
> Y(t) = ( 2500+numerical_integral(S(u)-R(u),0,x)[0]).substitute(x=t)
>
> but no luck
You can do
def Y(t):
return 2500+numerical_integral(S(u)-R(u),0,t)[0]
but then it won't be a symbolic object. (It will be a Python function.)
- Robert
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