绝对偏差

In this model we extend absolute deviation to a fuzzy case to measure the risk of portfolio.

为度量投资组合的风险，将绝对偏差扩展到模糊情形。

Chapter 5, an example is given by stochastic simulation method, which is the application of least absolute deviation estimate in location by GPS.

第五章通过随机模拟的方法，给出M估计的特殊情形——最小绝对偏差估计在GPS定位中的应用。

The adaptive learning of neural network can fulfill the minimum absolute deviation criteria, so this dissertation puts forward the algorithm that can be implemented by the neural network.

利用神经网络的自适应学习特性和在处理非线性问题时能够满足最小绝对偏差准则的性质，给出了该算法的神经网络实现方法。

Based on the absolute deviation, a new risk function ω〓 is proposed and an analytical solution for the single period model is derived.

提出了一个新的风险控制函数ω〓，该函数是将所有资产的绝对偏差的平均值作为风险的度量，并给出其单阶段的投资模型的解析解。

In this paper, based on the approach of a tra de-off between mean and absolute deviation, we investigate the portfolio perfo r mances of 169 A stocks in Shanghai stock market.

本文基于均值-绝对偏差的折中方法探讨了上海股票市场169种股票的投资组合分析，得到了一些有益的启示和结论。

Fuzzy Expected Rate of Return ; Portfolio Selection Model ; Fuzzy Absolute Deviation ; Value of Fuzzy Number ; Dominance Criteria

模糊收益率；投资组合模型；模糊绝对偏差；模糊数的绝对值；占优准则

Earlier, when we calculated the range, the interquartile deviation, and average absolute deviation, the answers were expressed in the same units as the data itself.

当我们计算极差，四分点离差和平均绝对偏差时，答案的计量单位与数据单位量相同的。

In the function of the transaction costs being concave function and more general market friction conditions, giving a algorithm of mean-absolute deviation model and the mean-average absolute deviation model under conditions.

在一般摩擦市场下交易费用函数为凹函数时，给出了均值—绝对偏差模型和均值—平均绝对偏差模型在此条件下的求解算法。

Molecular conformation calculations were made for two possible conformers(eclipsed and staggered with respect to the methyl group)of the compound Calculated results show that:the stable conformer of pyruvic acid is the eclipsed one;The BLYP/6-31G* and scaled HF/6-31G* frequencies correspond well with each other and with available experimental assignment of the normal vibrational modes.

结果表明：在丙酮酸分子的两种构象中，重叠式比较稳定*B3LYP计算得到的构型参数与实验结果比较一致；在振动频率的计算中，BLYP未标度力场所计算的非CH3伸缩振动基频预测值和实验值的平均绝对偏差为10.4cm-1；而HF标度力场的平均绝对偏差为17.9cm-1。

In Chapter 2, combining the semi-absolute deviation risk function with a minimax principle, we introduce a new risk function.

第二章结合半绝对偏差风险函数和极大极小原则的思想，提出了一种新的投资风险度量函数。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。