A In many applications involving chemical processes the expe

A In many applications involving chemical processes, the experi- mental data follows an s-shaped curve as in Figure 5.33, where the data approaches a steady-state value of 1. The following table contains one such set of data. For these cases, curve fitting is done by approximating the s-shaped curve by y = 1 + Art, where A

Solution

>> t= [0.5,1:1:4,6:1:10]

t =

    0.5000    1.0000    2.0000    3.0000    4.0000    6.0000    7.0000    8.0000    9.0000   10.0000

>> y=[0.4,0.5,0.7,0.8,0.9,0.95,0.96,0.97,0.98,0.99]

y =

    0.4000    0.5000    0.7000    0.8000    0.9000    0.9500    0.9600    0.9700    0.9800    0.9900

>> t= [0.5,1:1:4,6:1:10];
y=[0.4,0.5,0.7,0.8,0.9,0.95,0.96,0.97,0.98,0.99];
plot(t,y)