Figure 8.14 (page 450):

Comparison of the effluent concentrations for the two cases shown in Figure8.13.

Code for Figure 8.14

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.

global ktheta
ktheta = linspace(0.1,10,100)';
c0=1;
cp=P(C(c0));
pc=C(P(c0));
table = [0 c0 c0;ktheta cp pc];
plot (table(:,1), table(:,2:3));
title ('Figure 8.14')

C.m

function retval=C(x)
global ktheta
  retval = (-1+sqrt(1+4*x.*ktheta))./(2*ktheta);

P.m

function retval=P(x)
global ktheta
  retval = x./(1+x.*ktheta);