6楼: Originally posted by _ZHK at 2015-09-17 16:03:09
我猜楼主直接运行了而不是调用。。

2楼: Originally posted by Sibewolf at 2015-09-16 16:58:45
function x=SurfaceEnergy(a,d,p)
% a is wetting angel
% d is dispersive part of liquid, vector
% p is polar part of liquid, vector

A=;
b=(d+p).*(1+cos(a*pi/180));
x=A\b;
end
返回变量要和定义 ...

3楼: Originally posted by Jacob1201 at 2015-09-17 08:32:37
我编的程序中，每一条命令都可以单独执行，但为什么放在一起就出问题呢？老是提醒 “d” is undefined......