2077 5

Numerical Method20775 marksNumerical: Newton forward difference interpolationNewton's Interpolation using divided differences, forward di

Newton's Forward Difference Table Construct Newton's forward difference table for the given data points and approximate the value of f(x) at x = 15.

Newton's Forward Difference Table

Construct Newton's forward difference table for the given data points and approximate the value of $f(x)$ at $x = 15$.

$$\begin{array}{c|ccccc} x & 10 & 20 & 30 & 40 & 50 \ \hline F(x) & 0.173 & 0.342 & 0.5 & 0.643 & 0.766 \end{array}$$

[5]

x F(x) --------- 10 0.173 20 0.342 30 0.500 40 0.643 50 0.766 Spacing $h = 10$, $x0 = 10$. Required: $f(15)$. --- First differences ($\Delta$): - $0.342 - 0.173 = 0.169$ - $0.500 - 0.342 = 0.158$ - $0.643 - 0.500 = 0.143$ - $0.766 - 0.643 = 0.123$ Second differences ($\Delta^2$): -

Up nextFit the curve y = aebx through the following data points. | x | 1 | 2 | 3 | 4 | |---|---|-