Geo-electromagnetic methods, especially the magnetotelluric (MT) sounding technique, are irreplaceable geophysical methods used for imaging the Earth’s subsurface electrical structure. The ...
Abstract: Conjugate gradient techniques are widely used to solve unconstrained optimization issues. The accelerated conjugate gradient approach provides superior numerical effects for the ...
Abstract: Based on the method of Sun and Zhang (2001), we present a conjugate gradient method without line search. At each iteration, the step size is determined by a formula, which does not involve ...
ABSTRACT: In this paper, three new hybrid nonlinear conjugate gradient methods are presented, which produce suf?cient descent search direction at every iteration. This property is independent of any ...
ABSTRACT: It is well known that the line search methods play a very important role for optimization problems. In this paper a new line search method is proposed for solving unconstrained optimization.
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