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Code Listing by Brendan

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This submission is a set of m-files to demonstrate how to take a simple numerical derivative and Hessian of an arbitrary function. Each step in the code is documented. There is a test script included which computes the numerical Hessian of a test function and compares it to a symbolically-determined result (with a numerical point substituted into the symbolic Hessian). The gradient and Hessian functions support varying tolerance, and also...