1classdef foo_value_class 2 properties 3 rate; 4 term; 5 principle; 6 end 7 methods 8 function obj = foo_value_class (r, t, p) 9 if (nargin == 3) 10 obj.rate = r; 11 obj.term = t; 12 obj.principle = p; 13 elseif (nargin ~= 0) 14 error ('foo_value_class:SyntaxError', ... 15 'foo_value_class: Invalid syntax') 16 end 17 end 18 function amt = amount (obj) 19 i = obj.rate / (12 * 100); 20 if (i == 0 && obj.term == 0) 21 amt = obj.principle; 22 else 23 amt = (obj.principle * i) / (1 - (1 + i)^(-obj.term)); 24 end 25 end 26 end 27end 28