| 求解一元三次方程近似根的几种算法的C语言实现 |
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| 引用本文： | 李向军,杨花娥.求解一元三次方程近似根的几种算法的C语言实现[J].西安联合大学学报,1999(2). |
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| 作者姓名： | 李向军 杨花娥 |
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| 作者单位： | 西安联合大学数学系!陕西西安710061 |
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| 摘 要： | 介绍了求解一元三次方程：ａｘ３ ＋ ｂｘ２ ＋ ｃｘ＋ ｄ＝ ０ 的近似根的几种不同的算法及所对应的通用的 Ｃ 语言程序。在每一源程序中，只要给出方程系数 ａ，ｂ，ｃ，ｄ 的具体取值，就可以很快地从计算机上得到所要求解的近似根
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| 关 键 词： | C语言 一元三次方程的近似根 牛顿迭代法 二分法 弦截法 |
Several Algorithm s and C Program s of Extractingan Approxim ate Root of a Unary Cubic Equation |
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| Authors: | L I Xiang jun Y A N G Hua e |
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| Abstract: | Severalalgorithm s and corresponding C program s are introduced in this articalon how to extractan approxim ate rootofa unary cubic equation In every Csource program ,w hen the concreted value ofthe coefficients ofa unary cubic equation such asa,b,c,and d aredeterm ined,you can get an approxim ate root w hich you w anted by com puter |
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| Keywords: | C Program ing Language An Approxim ate Rootofa Unary Cubic Equation New ton Iteration Method One- half Method Chord Cutting Method |
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