Let A be an n × n real symmetric positive definite matrix. Prove that the solution to the system Ax = b is the unique minimizer of the function f(x) = 1/2*(x, Ax) − (x, b)
Let A be an n × n real symmetric positive definite matrix. Prove that the solution to the system Ax = b is the unique minimizer of the function f(x) = 1/2*(x, Ax) − (x, b)
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