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Error with exp function and imaginary numbers
07-27-2020, 01:13 PM
Post: #2
RE: Error with exp function and imaginary numbers
This error, found on the G2, is not of little importance. For example, if I want to calculate the first-kind Bessel-function, BesseJ(n, z) with Arg(z) <Pi / 2, with complex variable "z", I am forced to integrate an exponential from zero to infinity. The error in question prevents me from calculating the integral by "romberg" HP PRIME function.

int(exp(-(2+3*i)*sinh(t)-2.5*t),t,o,+inf) --> 0.152804387425-9.90045195322E-2*i (on virtual PRIME)

int(exp(-(2+3*i)*sinh(t)-2.5*t),t,o,+inf) --> undef-undef*i (on "hardware" G2 PRIME)

I cordially greet, Roberto
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RE: Error with exp function and imaginary numbers - robmio - 07-27-2020 01:13 PM



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