trying to create objects in a for loop

3 次查看（过去 30 天）
jeff wu
jeff wu 2012-3-31
hi, i get an error but i dont understand why this isnt working
liste = [node(1,2)]%;subdiv(xkoord);
for i=2:4
liste(i+1) = node(1,2)%;subdiv(xkoord);
end
classdef node
properties
x;
y;
bearing=0;
end % properties
methods
function obj = node(x,y)
obj.x=x;
obj.y=y;
end%functions
end%methods
end %class
??? Input argument "x" is undefined.
Error in ==> node>node.node at 9 obj.x=x;
at the second call in the for it crashes
thanks for help

请先登录，再回答此问题。

回答（1 个）

Jim Hokanson
Jim Hokanson 2012-3-31
Matlab is trying to construct space for the object before you actually construct the object. In other words, Matlab is calling your constructor without any input arguments. If you add the following to your constructor call and you should be fine
if nargin == 0
return
end

类别

在 Help Center 和 File Exchange 中查找有关 Software Development Tools 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by