[Maxima] nintegrate - second attempt

Barton Willis willisb at unk.edu
Thu May 24 08:17:16 CDT 2007


-----maxima-bounces at math.utexas.edu wrote: -----

>nintegrate handles complex valued integrands funny - this is because
>of the coerce-float-fun design.

Maybe you could extract the real and imaginary parts of the
integrand before sending each piece to coerce-float-fun.

This won't always work; rectform(asin(x)) asks about the sign
of (x-1)*(x+1). That's OK if the integration interval is
say [0,1], but it's not OK if the interval is [0,2].

Barton



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