王运通. 一个方程求根公式及其推导[J]. 工程科学学报, 1987, 9(1): 109-112. DOI: 10.13374/j.issn1001-053x.1987.01.017
引用本文: 王运通. 一个方程求根公式及其推导[J]. 工程科学学报, 1987, 9(1): 109-112. DOI: 10.13374/j.issn1001-053x.1987.01.017
Wang Yuntong. A Iterative Scheme for the SoLution of Nonlinear Equation[J]. Chinese Journal of Engineering, 1987, 9(1): 109-112. DOI: 10.13374/j.issn1001-053x.1987.01.017
Citation: Wang Yuntong. A Iterative Scheme for the SoLution of Nonlinear Equation[J]. Chinese Journal of Engineering, 1987, 9(1): 109-112. DOI: 10.13374/j.issn1001-053x.1987.01.017

一个方程求根公式及其推导

A Iterative Scheme for the SoLution of Nonlinear Equation

  • 摘要: 本文利用分式线性函数在x0处近似f(x)而导出一种求方程f(x)=0的根的迭代公式,它的变形包括Hally方法,在一定的条件下证明了二阶收敛性。

     

    Abstract: Using fractional linear function (also called pseudolinear function) to approximate a function f (x) at a specific point Xo, a iteration scheme for the solution of equation f (x)=0 is developed the variant of the method includes the well-known Hally method. Under the appropriate condition the quadratie convergence is proved.

     

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