#lang racket
;;; Science Collection
;;; lngamma-plot-example.rkt
;;; Copyright (c) 2004-2011 M. Douglas Williams
;;;
;;; This file is part of the Science Collection.
;;;
;;; The Science Collection is free software: you can redistribute it and/or
;;; modify it under the terms of the GNU Lesser General Public License as
;;; published by the Free Software Foundation, either version 3 of the License
;;; or (at your option) any later version.
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;;; The Science Collection is distributed in the hope that it will be useful,
;;; but WITHOUT WARRANTY; without even the implied warranty of MERCHANTABILITY
;;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
;;; License for more details.
;;;
;;; You should have received a copy of the GNU Lesser General Public License
;;; along with the Science Collection.  If not, see
;;; <http://www.gnu.org/licenses/>.
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;;; -------------------------------------------------------------------
;;;

(require plot
         (planet williams/science/special-functions/gamma))

(plot (function lngamma)
      #:x-min 0 #:x-max 6
      #:x-label "x"
      #:y-min -1 #:y-max 5
      #:y-label "Y"
      #:title "Log Gamma Function, lngamma(x)")