On Aug 8, 4:59 am, Jose Guzman wrote:
> To debug ticket #11653, I am trying to see the integral of the sing
> function,
>
> For that I do:
>
> sage: t=var('=t')
> sage: v=function('v',t)
>
> sage: myode = diff(v,t) - ( sign(t) ) == 0
> sage: mysol = desolve(de=myose, ivar=t, dvar=y) # do not ad
On Nov 23, 2008, at 6:01 AM, Paul Zimmermann wrote:
>
>> Unfortunately, I know little about symbolic
>> integration techniques. Does anybody have suggestions for references?
>
> there are basically two techniques for symbolic integration:
> 1) table lookup in some classes of integrals. Maple is
