%
%  Figure 7.8a
%
% First figure in step test section
%
t = 0:.05:4;
x = 1 - exp( -t );
figure
plot( t, x )
set( gca, 'fontsize', 24 );
hold on
line( [ 0 1.2 ]', [ 0.632 0.632 ]' )
line( [ 1 1 ]', [ 0 0.7 ]' )
h = text( 0.3, 0.67, '0.632' )
set( h, 'fontsize', 24 );
ylabel( 'Process  Variable' )
xlabel( 'Time / Tau' )
hold off
%
print -f1 -deps2 step1.eps
%
