% for this piecewise example, 
% f(x) = x when 0 < x < 5
% f(x) = sin(x)  for 5 < x < 10
% f(x) = 0 for all other values of x
function z = TwoPieces(x)

% get the number of columns in x
n = size(x,2)

for i = 1:n
	if x(i) > 0 & x(i) <= 5		
		z(i) = x(i);
   elseif x(i) > 5 & x(i) < 10
      z(i) = sin(x(i));
   else      
		z(i) = 0;
	end
end