On 5/8/07, Leigh J. Halliwell <[EMAIL PROTECTED]> wrote:
I know that the "!" primitive gives gamma(x+1). But has anyone programmed tacit functions for lngamma (as in Excel) and its derivative, the digamma funtion? Actually, I could also use the next two derivatives, the trigamma and tetragamma functions. Thanks.
gamma=: !@<: lngamma=: [EMAIL PROTECTED]@<: digamma=: [EMAIL PROTECTED]@<:D.1 trigamma=: [EMAIL PROTECTED]@<:D.2 tetragamma=: [EMAIL PROTECTED]@<:D.3 Or did I misunderstand you? -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
