两个命令的区别具体是什么？

tuoni

Bem=@(y,x,z)(1.18*10^5)*(b-x)/(sqrt((a-y)^2+(b-x)^2+(c-z)^2));这是积分方程，
用q = integral3(Bem(y,x,z),-0.015,0.015,-0.015,-0.0065,0,0.01)可以进行运算；
, h( c& `4 V. t0 ]$ T3 {' ?0 x但是用q = triplequad(Bem(y,x,z),-0.015,0.015,-0.015,-0.0065,0,0.01)不能运行，
显示错误：输入必须为单精度或双精度浮点值。请问两个命令的区别具体是什么？
非常感谢！

leleeda

- O6 C3 W1 h/ ?( Z8 o- [% f) f没什么不能用的啊
' A4 g6 e# A$ \& o: {' t4 d2 ua = -2; b = -5; c = -7;
Bem=@(y,x,z) (1.18*10^5).*(b-x)./(sqrt((a-y).^2+(b-x).^2+(c-z).^2));
* Y! p4 n& _9 K; Lq1 = integral3(Bem,-0.015,0.015,-0.015,-0.0065,0,0.01)
2 i+ Q9 |% b6 l$ P% Pq2 = triplequad(Bem,-0.015,0.015,-0.015,-0.0065,0,0.01)


% O* H% k3 d. w3 q9 tq1 =
  -0.170025473637909
q2 =
6 \% |8 I6 z" A" X- J  -0.170025473637909