I get
sage: var('x')
x
sage: f = sin(x)/x
sage: g = f.integrate(x)
sage: g
integrate(sin(x)/x, x)
in 3.2.1.rc1. Personally, I would call this a missing feature, not a bug.
Interestingly, it can compute
sage: f.integrate(x,0,infinity)
pi/2
sage: f.integrate(x,-infinity,infinity)
pi
On Fri, Dec 5, 2008 at 2:40 AM, Tim Lahey <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I've been going through my integral test suite and I've
> ran across one integral that maxima doesn't like at all,
> but FriCAS doesn't have a problem with.
>
> var('x')
> f = sin(x)/x
> g = f.integrate(x)
>
> g isn't integrated or recognized as a particular function.
> However, if I do,
> h = axiom.integrate(f,x)
>
> I get Si(x), which by definition is the integral of sin(x)/x.
> Note that Sage doesn't have Si defined in the normal namespace.
>
> Thoughts?
>
> Cheers,
>
> Tim.
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