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Apply TodayWrite a function to find the values of a design variable vector, *x*, that minimizes an unconstrained scalar objective function, *f*, given a function handle to *f* and its gradient, a starting guess, *x0*, a gradient tolerance, *TolGrad*, and a maximum number of iterations, *MaxIter*, using the Quasi-Newton (Secant) Method. Initialize the Hessian approximation as an identity matrix. Update the Hessian matrix approximation using the BFGS update formula.

8 correct solutions
18 incorrect solutions

Last solution submitted on Apr 05, 2014