ä¹è®¸ä½ å¨ç»å½æ°å¾è±¡çæ¶åï¼ç¨äºæ®éçä¹æ³è¿ç®,åºè¯¥ç¨ç¹ä¹çè¿ç®ï¼å¯ä»¥è¯ç¨ä¸ä¸ä¸é¢ç代ç ï¼
m=-10:0.05:10;//xçåå¼å°èå´
n=-10:0.05:10ï¼//yçåå¼å°èå´
[x,y]=meshgrid(m,n);//çæxoyå¹³é¢ä¸ççè·ç½æ ¼çº¿
z=x.*y.*(1-(x.^2+y.^2));
mesh(x,y,z)//æè
åºç¨surf(x,y,z)
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