classdef SomeClass
properties (SetAccess = private)
Array = [];
end
methods
function this = SetArraySize(this)
sz = input('What size should the array be ? ');
validateattributes(sz, {'numeric'}, {'integer', 'positive', 'scalar'})
this.Array = zeros(1, sz);
end
end
end
%usage
obj = SomeClass %object with empty array
obj = obj.SetArraySize %prompts for array size
