An Accelerated Sixth-Order Procedure to Determine the Matrix Sign Function Computationally

An Accelerated Sixth-Order Procedure to Determine the Matrix Sign Function Computationally

The matrix sign function has a key role in several applications in numerical linear algebra. This paper presents a novel iterative approach with a sixth order of convergence to efficiently compute this function. The scheme is constructed via the employment of a nonlinear equations solver for simple...

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Bibliographic Details
Main Authors: Shuai Wang, Ziyang Wang, Wu Xie, Yunfei Qi, Tao Liu
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Mathematics
Subjects:
invertible matrix
sign
starting value
iterative methods
sixth order
Online Access:https://www.mdpi.com/2227-7390/13/7/1080
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