两个命令的区别具体是什么？

tuoni

! v2 q/ h) P, _! l1 i0 x/ _1 ^+ [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，
1 R3 P8 A6 z2 x* w; V- ?  [用q = integral3(Bem(y,x,z),-0.015,0.015,-0.015,-0.0065,0,0.01)可以进行运算；
* e+ G) n* z8 q) K但是用q = triplequad(Bem(y,x,z),-0.015,0.015,-0.015,-0.0065,0,0.01)不能运行，
/ h2 k6 [' D. u3 |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？
# S) j# m( u3 P2 h5 w非常感谢！

leleeda

, i7 f/ j( X% x  m& C没什么不能用的啊
a = -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));
) d) r6 e$ C) [: M: x" `* ^% iq1 = integral3(Bem,-0.015,0.015,-0.015,-0.0065,0,0.01)
q2 = triplequad(Bem,-0.015,0.015,-0.015,-0.0065,0,0.01)

6 h8 B5 I1 {, _1 s
q1 =
  -0.170025473637909
& @+ K" W/ P! H6 Bq2 =
/ l; q. z2 q0 ~! r" t* @  o9 ^; z8 ]  -0.170025473637909