[R] R: integration problem

2005-10-10 Thread Clark Allan
hi all an integration problem. i would like an exact or good approximation for the following, but i do not want to use a computer. any suggestions: integral of exp(b*x)/sqrt(1-x^2) where b is a constant greater than or equal to 0 and the integral runs from 0 to 1 any help would be

Re: [R] R: integration problem

2005-10-10 Thread Uwe Ligges
Clark Allan wrote: hi all an integration problem. i would like an exact or good approximation for the following, but i do not want to use a computer. any suggestions: integral of exp(b*x)/sqrt(1-x^2) Sounds like the problem of integrating the Gaussian density... Uwe Ligges where

Re: [R] R: integration problem

2005-10-10 Thread Ravi Varadhan
the integral with exp(a*cos(t)) as the integrand from 0 to pi/2. Hope this is helpful, Ravi. -Original Message- From: [EMAIL PROTECTED] [mailto:r-help- [EMAIL PROTECTED] On Behalf Of Clark Allan Sent: Monday, October 10, 2005 4:07 AM To: r-help@stat.math.ethz.ch Subject: [R] R: integration