In article <[EMAIL PROTECTED]>, Jane Roberts <[EMAIL PROTECTED]> wrote: >This is a classical problem. No exact solution exists. See the works by >Satterthwise and Walsh. >seth
Ummm, exactly which classical problem with no exact solution are you referring to? Somehow I think you may have interpreted Yan's problem differently than Radford Neal and I did. Robert Israel [EMAIL PROTECTED] Department of Mathematics http://www.math.ubc.ca/~israel University of British Columbia Vancouver, BC, Canada V6T 1Z2 >"ZHANG Yan" <[EMAIL PROTECTED]> wrote in message >news:<[EMAIL PROTECTED]>... >> Hea, I got the following problem. >> >> Suppose Y=X1+X2+...Xn, where Xi (i=1,2...n) are positive i.i.d. gamma >> distribution. I >> hope to find the distribution function of Y, which is denoted as y(t). Or >> find the corresponding vector y with t varies from 0 to 100. . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
