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I need to generate a warning statement and I am not exactly sure how.

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I am having a hard time with the warning statement for this problem.
Says "If the goal is not met in 10 years, a warning should be generated" heres my code
function [yrs, F] = InvestGoal(P,G,i)
%InvestGoal determines the future worth of an investment
%INPUT P: the principle amount invested
% G: the goal amount
% i: expected yearly compunded interest
%OUTPUT yrs: number of years needed to reach the goal
% F: the amount the investment is worth at the final year
if numel(P) > 1 || numel(G) > 1 || numel(i) > 1
error('only a single number for each input')
elseif P <= 0 || G <= 0 || i <= 0
error('All inputs must be positive numbers')
elseif G <= P
error('Principle must be less than the Goal amount')
disp('Year Future Worth ($)');
while A < G
fprintf(' %d %.2f\n',x,A);
x = x + 1;
yrs = x - 1;
F = A;

Answers (2)

James Tursa
James Tursa on 1 Jul 2015
E.g., put this at the end of your function:
if( yrs > 10 )
warning('Goal not reached in 10 years');

Image Analyst
Image Analyst on 2 Jul 2015
if yrs > 10
message = sprintf('Warning: It has been %d years.\nThe goal was not attained in less than 10 years', yrs);
warndlg() will generate a more user friendly and noticeable popup warning message, and, importantly, wait for the user to click OK before proceeding on with the rest of the code. If you omit uiwait(), then warndlg() will just popup a message and continue on with whatever code follows.

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