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annotate scripts/statistics/distributions/stdnormal_rnd.m @ 3426:f8dde1807dee

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[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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1 ## Copyright (C) 1995, 1996, 1997 Kurt Hornik
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2 ##
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3 ## This program is free software; you can redistribute it and/or modify
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4 ## it under the terms of the GNU General Public License as published by
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5 ## the Free Software Foundation; either version 2, or (at your option)
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6 ## any later version.
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7 ##
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8 ## This program is distributed in the hope that it will be useful, but
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9 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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11 ## General Public License for more details.
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12 ##
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13 ## You should have received a copy of the GNU General Public License
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14 ## along with this file. If not, write to the Free Software Foundation,
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15 ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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16
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17 ## usage: stdnormal_rnd (r, c)
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18 ##
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19 ## Return an r by c matrix of random numbers from the standard normal
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20 ## distribution.
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21
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22 ## Author: KH <Kurt.Hornik@ci.tuwien.ac.at>
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23 ## Description: Random deviates from the standard normal distribution
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24
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25 function rnd = stdnormal_rnd (r, c)
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27 if (nargin != 2)
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28 usage ("stdnormal_rnd (r, c)");
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29 endif
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30
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31 if ( !(is_scalar (r) && (r > 0) && (r == round (r))) )
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32 error ("stdnormal_rnd: r must be a positive integer");
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33 endif
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34 if ( !(is_scalar (c) && (c > 0) && (c == round (c))) )
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35 error ("stdnormal_rnd: c must be a positive integer");
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36 endif
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37
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38 rnd = randn (r, c);
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39
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40 endfunction