someone wrote:
>
> I tried Fricas on the examples from the paper:
>
> INTEGRATION IN FINITE TERMS WITH SPECIAL FUNCTIONS: THE LOGARITHMIC INTEGRAL
>
> which was written by CHERRY in 1986.
>
FYI: I am now working on integration in terms of Ei. Currently
the procedure is still fairly incomplete, but can do all Cherry
examples except for the following:
>
> -- Page 18
>
> -- Example 5.4
> i := ((2*x^3-x^2-6*x)/(x^2+3*x+2) + (2*x-3)/(log(x)+1)) * exp(x*log(x)+x)
>
> I := integrate(i, x)
>
> Ic := -3/exp(1)*li(exp(x*log(x)+x+log(x)+1)) +
> 2/exp(2)*li(exp(x*log(x)+x+2*log(x)+2))
>
--
Waldek Hebisch
[email protected]
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