% Lab exercise 2 solutions

pause
x = input('Enter first integer> ');
y = input('Enter second integer> ');

% Function MOD(X,Y) returns the remainder of X when divided by X.
% If the absolute value of X is less than Y, then MOD(X,Y) = X.
% See also function REM.
mod(x, y)
pause

if mod(x,2) == 0
  disp('Variable x holds an even value.')
else
  disp('Variable x holds an odd value.')
end

pause
help floor
help ceil

pause
% random integer between 0 and 1 (inclusive)
floor(2 * rand)
     
pause
% random integer between 0 and 100 (inclusive)
floor(101 * rand)

pause
% random integer between 1 and 100
floor(100 * rand) + 1

pause
% random integer between -10 and 10
floor(21 * rand) - 10

pause
% General pattern for integers:
% Assume HIGH >= LOW, and both are integers
% Note: there are many other ways to generate random numbers in
% a given range, especially if we don't need to obey a
% given distribution.
% floor(rand*(HIGH-LOW+1)) + LOW