## Figure 9.4 (page 511):

### Univariate normal with zero mean and unit variance.

## Code for Figure 9.4

Text of the GNU GPL.

### main.m

%% Copyright (C) 2001, James B. Rawlings and John G. Ekerdt
%%
%% This program is free software; you can redistribute it and/or
%% modify it under the terms of the GNU General Public License as
%% published by the Free Software Foundation; either version 2, or (at
%% your option) any later version.
%%
%% This program is distributed in the hope that it will be useful, but
%% WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%% General Public License for more details.
%%
%% You should have received a copy of the GNU General Public License
%% along with this program; see the file COPYING. If not, write to
%% the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
%% MA 02111-1307, USA.
npts = 100;
x = linspace(-4, 4, npts)';
y = [ exp(-0.5*x.*x)/sqrt(2*pi)];
table = [x, y];
plot (x, y)
title ('Figure 9.4')