We use rescaled range analysis to demonstrate that there are self-similarity, long memory and sensitive to initial value in the time series of Chinese stock returns.
论文用重标极差分析方法证明了中国股票收益波动的自相似性,长期记忆性和初始条件敏感性。
By combining it with the rank one phase estimation algorithm, improvement of both accuracy and efficiency can be obtained by overcoming the weakness that ROPE is sensitive to initial value.
通过将其与秩一相位估计法联合使用,克服了秩一法对初始值敏感的缺点,提高了补偿算法的精度和效率。
Iterative TFIDF algorithm belongs to hill-climbing algorithm, it has the common problem of converging to local optimal value and sensitive to initial point.
迭代tfidf算法属于爬山算法,初始值的选取对精度影响较大,算法容易收敛到局部最优值。
Traditional K-Means algorithm is sensitive to the initial centers and easy to get stuck at locally optimal value.
传统K均值算法对初始聚类中心敏感,聚类结果随不同的初始输入而波动,容易陷入局部最优值。
Meanwhile, considering that Newton iterative method is sensitive to the initial value of parameters, the paper studied generated methods for initial values on basis of data interpolation and fitting.
针对牛顿迭代法收敛精度和速度受初值影响的问题,基于数据插值和拟合方法,研究了迭代初值生成技术。
Because the chaotic sequence is very sensitive to the initial value, the attackers cannot deduce the whole sequence from the finite sequence and the security of watermark information is ensured.
攻击者很难从一段有限长度的序列推断出整个混沌序列的初始条件,因此可保证水印信息的安全性。
Because the chaotic sequence is very sensitive to the initial value, the attackers cannot deduce the whole sequence from the finite sequence and the security of watermark information is ensured.
攻击者很难从一段有限长度的序列推断出整个混沌序列的初始条件,因此可保证水印信息的安全性。
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