Question

 Determine the order of convergence of the iterative method



equation


for finding a simple root of the equation equation.

09 Jan 2026
Answer :
Word Count : 250
Consider the iterative method: [ x_{n+1} = \frac{x_{n-1} f(x_n) - x_n f(x_{n-1})}{f(x_n) - f(x_{n-1})}. ] Let (\alpha) be the simple root of (f(x) = 0), and define the error (e_n = x_n - \alpha). Using the Taylor expansion of (f(x_n)) around (\alpha), since (\alpha) is a simple root: [ f(x_n)
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