CD Tesis
Metode Dua Langkah Berorde Enam Untuk Menyelesaikan Persamaan Nonlinear Berakar Ganda
This thesis discusses two two-step methods for finding multiple roots
of nonlinear equations. Both methods use Newton’s method for multiple
roots in the first step. For the second step the first and second methods
are respectively using the Osada method and the linear combination of the Newton-Halley and Newton-Osada methods. Analytically, the two methods have a six-order convergence. Numerical computation shows that these methods are competitive against the comparison methods and they can be used as the alternative methods for sixth-order methods.
Keywords: Two-step method, multiple roots, Newton’s method, Osada’s method, linear combination
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