Undefined function or variable 'RecDomain'

[mpagazehe]

When I run the exmaples, I get an error of undefined 'RecDomain' for ''dom = RecDomain([]); Kindly advise on how I can rectify this problem. Thank you

[ZhouChuanyou]

When I run the exmaples, I get an error of undefined 'RecDomain' for ''dom = RecDomain([]); Kindly advise on how I can rectify this problem. Thank you

function Recdom = RecDomain(inp)
% inp is a matrix include x,y,z row elements;
% e.g. inp: [100,100,5];
Recdom.Lx = inp(1);
Recdom.Ly = inp(2);
Recdom.Lz = inp(3);
end

I code RecDomain.m like this.