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，
' i( c1 V  H* l4 s2 H. m2 r1 E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，
. D; b5 g" X6 @% X  G+ o" W% t% |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

4 f; M& W4 ^4 j/ R4 Y1 I( H5 ~! S$ G没什么不能用的啊
2 _+ u* k0 F  n( v, ^" T9 T) La = -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));
4 l/ u! y: r: o) `1 u5 f) W1 B/ q4 yq1 = integral3(Bem,-0.015,0.015,-0.015,-0.0065,0,0.01)
; y+ h, W' D$ b4 Sq2 = triplequad(Bem,-0.015,0.015,-0.015,-0.0065,0,0.01)
& d/ t* w+ M- T. O

q1 =
  r3 K( |: ]: z, i0 ?" a2 C  -0.170025473637909
' u+ [' j2 R. ~, b1 E5 t. [' |4 fq2 =
  -0.170025473637909