(2024). A note on the convergence rate of Kumar–Singh–Srivastava methods for solving nonlinear equations. test, 25(2), 139-140. doi: 10.1016/j.joems.2016.10.003
. "A note on the convergence rate of Kumar–Singh–Srivastava methods for solving nonlinear equations". test, 25, 2, 2024, 139-140. doi: 10.1016/j.joems.2016.10.003
(2024). 'A note on the convergence rate of Kumar–Singh–Srivastava methods for solving nonlinear equations', test, 25(2), pp. 139-140. doi: 10.1016/j.joems.2016.10.003
A note on the convergence rate of Kumar–Singh–Srivastava methods for solving nonlinear equations. test, 2024; 25(2): 139-140. doi: 10.1016/j.joems.2016.10.003

A note on the convergence rate of Kumar–Singh–Srivastava methods for solving nonlinear equations

Journal of the Egyptian Mathematical Society
Volume 25, Issue 2, 2017, Pages 139-140    PDF (214.78 K)
DOI: 10.1016/j.joems.2016.10.003
Abstract
In the present article, it is shown that both the methods presented in Kumar et al. (2013) do not possess
the order of convergence as claimed. One of the two methods, derivative involved method possesses
the convergence rate of eighth order whereas the other derivative free method possesses sixth order
convergence. The theoretical convergence rate is also validated by computational order of convergence.
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