[sage-support] Re: Error with simple integral, "CEXPT only defined for non-negative integral exponents."

2017-11-07 Thread Emmanuel Charpentier
Hmmm... Compare : sage: with assuming(b!=-1): integrate(a*x^b,x) a*x^(b + 1)/(b + 1) sage: integrate(a*x^b,x,algorithm="fricas") a*x*e^(b*log(x))/(b + 1) sage: integrate(a*x^b,x,algorithm="giac") a*x^(b + 1)/(b + 1) import sympy sage: sympy.integrate(a*x^b,[x]) a*Piecewise((log(x), Eq(b, -1)),

Re: [sage-support] Error with simple integral, "CEXPT only defined for non-negative integral exponents."

2017-11-07 Thread William Stein
On Tue, Nov 7, 2017 at 9:06 AM, saad khalid wrote: > Hello everyone: > > I am currently trying to do this integral in Cocalc: > > integral(525.87*(x)^(-2.35),x,.1,1) > > It gives me the following error: > "CEXPT only defined for non-negative integral exponents." > > What seems