Problem

Employ inverse interpolation to determine the value of x that corresponds to f (x) = 0.93...

Employ inverse interpolation to determine the value of x that corresponds to f (x) = 0.93 for the following tabulated data:

x

0

1

2

3

4

5

f(x)

0

0.5

0.8

0.9

0.941176

0.961538

Note that the values in the table were generated with the function f (x) = x2/(1 + x2).

(a) Determine the correct value analytically.


(b) Use quadratic interpolation and the quadratic formula to determine the value numerically.


(c) Use cubic interpolation and bisection to determine the value numerically.

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Solutions For Problems in Chapter 17