Question: Use Lagrange polynomials to develop a difference formula for the secondderivative of a function that is specified by a discrete set of data points with
Use Lagrange polynomials to develop a difference formula for the secondderivative of a function that is specified by a discrete set of data points with unequalspacing. The formula determines the second derivative at the point (xi, yi) using points(xi1, yi1),(xi, yi), and (xi+1, yi+1).
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