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1. MATLABÖÐdivergenceº¯Êý½éÉÜ
divergenceÊǼÆËãʸÁ¿³¡Ïà¶ÔÓÚÖ±½Ç×ø±êϵµÄÉ¢¶ÈµÄº¯Êý£¬Æä»ù±¾¸ñʽΪ£º

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syms x y z; 

divergence(£Ûx^2 2*y z£Ý, £Ûx y z£Ý);

MATLABÔËÐнá¹ûΪ£º

2*x + 3

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div=divergence(x,y,z,u,v,w)

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syms x y z real¡¡¡¡%¶¨Òå·ûºÅ±äÁ¿

F = £Û sin(x+y), cos(x-y) £Ý;¡¡¡¡%¶¨Ò庯ÊýF

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divF=matlabFunction(g);¡¡¡¡%½«É¢¶Èת»»Îªº¯ÊýÐÎʽ

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div_num=divF(X,Y);¡¡¡¡%É¢¶ÈµÄÊýÖµÐÎʽ

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