By means of constructional iterative equation, this paper presents a way to give out the existence and singularity of a type of equational root with gradual approach method.
本文通过构造迭代函数，利用逐次逼近的方法给出了一类方程根的存在性与唯一性的判断的一种解决方案。
By means of constructional iterative equation, this paper presents a way to give out the existence and singularity of a type of equational root with gradual approach method.
本文通过构造迭代函数，利用逐次逼近的方法给出了一类方程根的存在性与唯一性的判断的一种解决方案。
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