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见内。
pyramid
(金字塔)
先假设一值x1,代入方程,求得结果y1。把y1代入方程在x1处的切线方程,求得x2,再把x2代入方程,求得y2,把y2代入方程在x2处的切线方程,求得x3。直至Xn。当Xn-Xn-1很小时停下。
注意,牛顿拉弗逊方法常和高斯赛德尔方法合用,为了选取接近真值的最初值,否则有可能不收敛。
(#192106@0)
Last Updated: 2001-9-6
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那里能找到牛顿迭代法的具体算法?
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