Mercurial > octave
diff scripts/statistics/distributions/f_inv.m @ 3426:f8dde1807dee
[project @ 2000-01-13 08:40:00 by jwe]
author | jwe |
---|---|
date | Thu, 13 Jan 2000 08:40:53 +0000 |
parents | e4f4b2d26ee9 |
children | 434790acb067 |
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--- a/scripts/statistics/distributions/f_inv.m Thu Jan 13 08:32:16 2000 +0000 +++ b/scripts/statistics/distributions/f_inv.m Thu Jan 13 08:40:53 2000 +0000 @@ -1,15 +1,15 @@ ## Copyright (C) 1995, 1996, 1997 Kurt Hornik -## +## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2, or (at your option) ## any later version. -## +## ## This program is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -## General Public License for more details. -## +## General Public License for more details. +## ## You should have received a copy of the GNU General Public License ## along with this file. If not, write to the Free Software Foundation, ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. @@ -32,7 +32,7 @@ if (retval > 0) error ("f_inv: x, m and n must be of common size or scalar"); endif - + [r, c] = size (x); s = r * c; x = reshape (x, 1, s); @@ -44,26 +44,26 @@ if any (k) inv(k) = NaN * ones (1, length (k)); endif - + k = find ((x == 1) & (m > 0) & (n > 0)); if any (k) inv(k) = Inf * ones (1, length (k)); endif - + k = find ((x > 0) & (x < 1) & (m > 0) & (n > 0)); if any (k) inv(k) = (1 ./ beta_inv (1 - x(k), n(k) / 2, m(k) / 2) - 1) ... - .* n(k) ./ m(k); + .* n(k) ./ m(k); endif ## should we really only allow for positive integer m, n? k = find ((m != round (m)) | (n != round (n))); if any (k) fprintf (stderr, ... - "WARNING: m and n should be positive integers\n"); + "WARNING: m and n should be positive integers\n"); inv(k) = NaN * ones (1, length (k)); endif - + inv = reshape (inv, r, c); - + endfunction \ No newline at end of file