Error with exp function and imaginary numbers
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07-27-2020, 01:13 PM
Post: #2
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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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Messages In This Thread |
Error with exp function and imaginary numbers - robmio - 07-27-2020, 10:08 AM
RE: Error with exp function and imaginary numbers - robmio - 07-27-2020 01:13 PM
RE: Error with exp function and imaginary numbers - robmio - 07-28-2020, 01:03 PM
RE: Error with exp function and imaginary numbers - Albert Chan - 07-28-2020, 02:48 PM
RE: Error with exp function and imaginary numbers - robmio - 07-28-2020, 03:51 PM
RE: Error with exp function and imaginary numbers - John Keith - 07-28-2020, 05:54 PM
RE: Error with exp function and imaginary numbers - robmio - 07-28-2020, 07:10 PM
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