Secant Method (secant_method)

版本 7.2.0 (412.1 KB) 作者: Tamas Kis
Secant method for finding the root of a univariate, scalar-valued function.
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更新 2022/10/17
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secant_method View Secant Method (secant_method) on File Exchange

Secant method for finding the root of a univariate, scalar-valued function.

Syntax

x = secant_method(f,x0)
x = secant_method(f,x0,opts)
[x,k] = secant_method(__)
[x,k,x_all] = secant_method(__)

Description

x = secant_method(f,x0) returns the root of a function specified by the function handle f, where x0 is an initial guess of the root.

x = secant_method(f,x0,opts) does the same as the syntax above, but allows for the specification of optional solver parameters. opts is a structure with the following fields:

  • k_max → maximum number of iterations (defaults to 200)
  • return_all → returns estimates at all iteration if set to true (defaults to false)
  • TOL → tolerance (defaults to )

[x,k] = secant_method(__) also returns the number of iterations (k) performed of the secant method.

[x,k,x_all] = secant_method(__) does the same as the previous syntaxes, but also returns an array (x_all) storing the root estimates at each iteration. This syntax requires that opts.return_all be set to true.

Examples and Additional Documentation

  • See "EXAMPLES.mlx" or the "Examples" tab on the File Exchange page for examples.
  • See "Root_Finding_Methods.pdf" (also included with download) for the technical documentation.

引用格式

Tamas Kis (2026). Secant Method (secant_method) (https://github.com/tamaskis/secant_method-MATLAB/releases/tag/v7.2.0), GitHub. 检索时间: .

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7.2.0

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7.1.0

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7.0.1

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7.0.0

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6.1.2

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6.1.1

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6.1.0

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6.0.2

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6.0.1.0

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6.0.0.0

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5.2.0

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5.1.1

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5.1.0

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5.0.1

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5.0.0.0

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4.0.1

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3.0.8

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2.0.2

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2.0.1

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2.0.0

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1.1.7

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1.1.6

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