From: George George Date: 2009-04-09T17:33:53+09:00 Subject: Re: what is happening here Fritz Heinrichmeyer wrote: > define lambda, high and low as floats, lambda = 1.0, high=2.0, low = 0.0 Thank you so much everyone for your responses, it works nicely now! GG -- Posted via http://www.ruby-forum.com/.