function [a] = bookfig1()
% Simple script to generate Figure 1, chapter 14 WITHOUT SPM! Just Matlab
% Book: Human Brain Function. Academic Press, 2nd edition, 2003
% Authors: Frackowiak, Friston, Frith, Dolan, Price, Zeki, Ashburner, and Penny.
% Script source: http://www.poirrier.be/~jean-etienne/presentations/rft/

% How to run it? "mymatrix = bookfig1;"

% Clear screen
clf;
close;
% Seed random number generator
seed = 5;
randn('seed', seed);
% Generate a 100 by 100 random map
a = rand(100, 100);

% Display map
h = imagesc(a);

% Beautify image
set(gca,'YDir','normal');
colormap(gray);
ylabel('Position du pixel en Y');
xlabel('Position du pixel en X');