function makeImage(A)

% This function plots the image described by the matrix A using imagesc.
% Since the image is black and white, the matrix A is copied into three
% planes of the matrix Im then the image is created by imagesc.

A./256;
n = length(A);
temp1 = max(max(A));
temp2 = min(min(A));
dtemp = temp1 - temp2;

A(1:n,1:n) = (A(1:n,1:n)-temp2.*ones(n,n))./dtemp;

for i = 1:3
   Im(:,:,i) = A;
end
imagesc(Im);