%% HOW DO I DO THAT IN MATLAB SERIES?
% In this series, I am answering questions that students have asked
% me about MATLAB.
%% TOPIC
% How do I check if a number is non-negative or negative
%% SUMMARY
% Language : Matlab 2010a;
% Authors : Autar Kaw and Sri Harsha Garapati;
% Mfile available at
% http://nm.mathforcollege.com/blog/if_else_end_statements_blog.m
% Last Revised : January 23, 2012;
% Abstract: This program shows you how to check if a number is negative or
% non-negative using if-else-end statement in MATLAB
clc
clear all
%% INTRODUCTION
disp(‘ABSTRACT’)
disp(‘ This program shows you how to check if a number is negative or’)
disp(‘ non-negative using if-else-end statement in MATLAB’)
disp(‘ ‘)
disp(‘AUTHOR’)
disp(‘ Autar Kaw and Sri Harsha Garapati of http://autarkaw.wordpress.com’)
disp(‘ ‘)
disp(‘MFILE SOURCE’)
disp(‘ http://nm.mathforcollege.com/blog/if_else_end_statements_blog.m’)
disp(‘ ‘)
disp(‘LAST REVISED’)
disp(‘ February 13, 2012’)
disp(‘ ‘)
%% INPUTS
% Enter the number to be tested
a=4;
%% DISPLAYING INPUTS
disp(‘ ‘)
disp(‘INPUTS’)
% Printing the input number
fprintf(‘The input number to be tested is %g\n’,a)
%% CODE AND DISPLAYING OUTPUT
disp(‘ ‘)
disp(‘OUTPUTS’)
% using the if-else-end statement to check
if (a>=0)
disp(‘The number is nonnegative’)
else
disp(‘The number is negative’)
end
_________________________________________________
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