cvs: pear /Math_Derivative Derivative.php

colder Sat Feb 24 12:18:27 2007 UTC Modified files: /pear/Math_Derivative Derivative.php Log: introduce hyperbolic functions http://cvs.php.net/viewvc.cgi/pear/Math_Derivative/Derivative.php?r1=1.4&r2=1.5&diff_format=u Index: pear/Math_Derivative/Derivative.php diff -u pear/Math_Derivative/Derivative.php:1.4 pear/Math_Derivative/Derivative.php:1.5 --- pear/Math_Derivative/Derivative.php:1.4 Sat Nov 18 15:02:50 2006 +++ pear/Math_Derivative/Derivative.php Sat Feb 24 12:18:27 2007 @@ -18,7 +18,7 @@ * @author Etienne Kneuss <colder@php.net> * @copyright 1997-2005 The PHP Group * @license http://www.php.net/license/3_01.txt PHP License 3.01 - * @version CVS: $Id: Derivative.php,v 1.4 2006/11/18 15:02:50 colder Exp $ + * @version CVS: $Id: Derivative.php,v 1.5 2007/02/24 12:18:27 colder Exp $ * @link http://pear.php.net/package/Math_Derivative */ @@ -107,7 +107,14 @@ 'sqrt' => 'd((arg)^(1/2))', 'acos' => '-1/((1-(arg)^2)^(1/2))', 'asin' => '1/((1-(arg)^2)^(1/2))', - 'atan' => '1/(1+(arg)^2)'); + 'atan' => '1/(1+(arg)^2)', + 'sinh' => 'cosh(arg)*d(arg)', + 'cosh' => 'sinh(arg)*d(arg)', + 'tanh' => '(sech(arg)^2)*d(arg)', + 'coth' => '-(csch(arg)^2)*d(arg)', + 'sech' => '-sech(arg)*tanh(arg)*d(arg)', + 'csch' => '-csch(arg)*coth(arg)*d(arg)', + ); // }}} // {{{ setVariableName([(string) $value]) @@ -723,5 +730,4 @@ } // }}} -?>