Introduction

Purpose

Find an approximation to a sparse Hessian using componentwise secant approximation.

Currently, only the control and inform parameters are exposed; these are provided and used by other GALAHAD packages with C interfaces.

Authors

N. I. M. Gould, STFC-Rutherford Appleton Laboratory, England.

C interface, additionally J. Fowkes, STFC-Rutherford Appleton Laboratory.

Julia interface, additionally A. Montoison and D. Orban, Polytechnique Montréal.

Originally released

April 2013, C interface January 2022.