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，
6 N% P* w* w7 u' {9 E2 A用q = integral3(Bem(y,x,z),-0.015,0.015,-0.015,-0.0065,0,0.01)可以进行运算；
但是用q = triplequad(Bem(y,x,z),-0.015,0.015,-0.015,-0.0065,0,0.01)不能运行，
$ ]6 B" {% J0 R: D+ }2 q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

没什么不能用的啊
a = -2; b = -5; c = -7;
9 ?, S) s' X$ x9 h! gBem=@(y,x,z) (1.18*10^5).*(b-x)./(sqrt((a-y).^2+(b-x).^2+(c-z).^2));
( k. `8 `1 K& @4 Z" Q' Cq1 = 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)

# O- ]/ [8 [4 {% `4 u7 h8 S
$ M# T6 U7 H. u5 ~8 jq1 =
  -0.170025473637909
q2 =
2 K6 j6 {. }% e4 W( Y" B  -0.170025473637909