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annotate scripts/signal/sinewave.m @ 3191:e4f4b2d26ee9

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[project @ 1998-10-23 05:43:59 by jwe]
author jwe
date Fri, 23 Oct 1998 05:44:01 +0000
parents
children f8dde1807dee
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3191
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1 ## Copyright (C) 1995, 1996, 1997 Andreas Weingessel
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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: sinewave (m, n [, d])
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18 ##
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19 ## Computes an (m x 1)-vector X with i-th element X(i) given by sin (2 *
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20 ## pi * (i+d-1) / n).
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21 ##
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22 ## The default value for d is 0.
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23
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24 ## Author: AW <Andreas.Weingessel@ci.tuwien.ac.at>
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25 ## Description: Compute a sine wave
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26
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27 function x = sinewave (m, n, d)
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28
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29 if (nargin == 2)
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30 d = 0;
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31 elseif (nargin != 3)
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32 usage ("sinewave (m, n [, d])");
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33 endif
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34
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35 x = sin ( ((1 : m) + d - 1) * 2 * pi / n);
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36
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37 endfunction