2012•Computer Engineering and Applications JournalOpen access
Interval Newton method for solving nonlinear equations with roots
Cao De-xin
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Abstract
Nonlinear equations for solving the roots are discussed,for the interval Newton method is no longer applicable and the convergence of the improved interval Newton method is so slow,by introducing a correlative equation,a new improved interval Newton method for solving the roots of nonlinear equations is established.Its local quadratic convergence property is proved,numerical examples are given.That the new method has faster convergence speed than the improved interval Newton method is verified,and it is effective and reliable.