reducing chaos and bifurcations in newton-type methods
;S. Amat;S. Busquier;Á. A. Magreñán
science and technology of advanced materials2013Vol. 2013pp. -
178
amat2013abstractreducing
Abstract
We study the dynamics of some Newton-type iterative methods when they are applied of polynomials degrees two and three. The methods are free of high-order derivatives which are the main limitation of the classical high-order iterative schemes. The iterative schemes consist of several steps of damped Newton's method with the same derivative. We introduce a damping factor in order to reduce the bad zones of convergence. The conclusion is
that the damped schemes become real alternative to the classical Newton-type method since both chaos and bifurcations of the original schemes are reduced. Therefore, the new schemes can be utilized to obtain good starting
points for the original schemes.