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sol = pdepe(m,pdefun,@icfun,@bcfun,x,t); ¸ù¾ÝÎÒ×Ô¼ºµÄÐèÒª£¬ÎÒÐèÒª¶Ôpdefun Ôö¼ÓÒ»¸ö²ÎÊýP£¬ function [c,f,s] = pdefun(x,t, P,u,DuDx) ÆäÖеÄpdefun²¢²»ÊÇϵͳĬÈϵĺ¯Êý£¬µ«ÊÇΪºÎÎÒÔÚ×ÔÐж¨ÒåÆä¸ñʽʱºò£¬³ÌÐò×ܳö´í,»á˵DuDxδ¸ø³ö£¿¶øÎÒ²ÉÓÃhelpÖÐĬÈϵÄÐÎʽ£¬¼´ function [c,f,s] = pdefun(x,t, u,DuDx)£¬³ÌÐòûÓб¨´í£¬¾ÍÏñmatlabÊÇÈÏʶDuDxµÄ¡£¹ØÓÚÕâÒ»µã£¬ÎÒÒ²ºÜ²»Ã÷°×£¬ÒòΪmatlabÖÐûÓжÔÓëÆ«Î¢·ÖµÄ¶¨Ò壬ÊÇDuDxµÄ¸ñʽ£¬ÎªºÎÔÚfunction [c,f,s] = pdefun(x,t, u,DuDx)ÖУ¬¾Í°ÑDuDxµ±×öu¶ÔxµÄÆ«µ¼ÊýÄØ£¿ |
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2Â¥2012-06-04 11:01:33
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Parameterizing Functions, in the MATLAB Mathematics documentation, explains how to provide additional parameters to the functions pdefun, icfun, or bcfun, if necessary. °´Õâ¸ö˵µÄ£¬Ó¦¸ÃÖ»Ö§³ÖÒ»¸ö¿Õ¼ä²ÎÊý£¬Èç¹ûÓÐÆäËûµÄ²ÎÊý£¬¾ÍÔÚÍâÃæÔÙ¼Ó¸öǶÌ׺¯Êý¡£ |

3Â¥2012-06-04 16:11:05
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ÁÁÁÁ1283: ½ð±Ò+1, ¡ï¡ï¡ïºÜÓаïÖú 2012-06-06 10:40:07
ÁÁÁÁ1283: ½ð±Ò+1, ¡ï¡ï¡ïºÜÓаïÖú 2012-06-06 10:40:07
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sol = pdepe(m,pdefun,icfun,bcfun,xmesh,tspan) solves initial-boundary value problems for systems of parabolic and elliptic PDEs in the one space variable and time . Ò»¸ö¿Õ¼ä±äÁ¿ºÍʱ¼ä |

4Â¥2012-06-04 16:12:03
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5Â¥2012-06-06 10:39:43









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