Forsgren, Anders; Odland, Tove - In: Computational Optimization and Applications 60 (2015) 2, pp. 377-392
It is well known that the conjugate gradient method and a quasi-Newton method, using any well-defined update matrix from the one-parameter Broyden family of updates, produce identical iterates on a quadratic problem with positive-definite Hessian. This equivalence does not hold for any...