1) cross-entropy
叉熵
1.
So the measurement method of risk is put forward with cross-entropy, and the mean cross entropy optimization model of portfolio is proposed.
在研究马科维茨(Markowitz)证券投资组合模型的基础上,分析了该模型用方差度量风险的缺陷,进而提出用叉熵作为风险的度量方法,建立了均值-叉熵的投资组合优化模型。
2) cross entropy
交叉熵
1.
2-D minimum cross entropy based on genetic algorithm for dynamic image segmentation;
基于遗传算法的二维最小交叉熵的动态图像分割
2.
Research on the method of viral mobile communication cross entropy based on video service
基于视频业务的病毒式移动通信交叉熵法研究
3.
Research on image transition region extraction and compression based on cross entropy
基于交叉熵的图像过渡区提取与压缩研究
3) cross-entropy
交叉熵
1.
Object-oriented image segmentation method based on cross-entropy and quad-tree;
基于四叉树和交叉熵的面向对象图像分割方法
2.
Application research on corporate default risk assessment based on cross-entropy algorithm;
交叉熵算法在企业违约风险评估中的应用研究
3.
Optimal algorithm for the communication networkbased on the cross-entropy;
基于交叉熵的通讯网的优化算法
5) minimum cross-entropy
最小叉熵
1.
In the incomplete insurance market,the loss distribution is adjusted by the minimum cross-entropy optimization model which is used to speculate on the probability distribution of information theory field and the insurance risk-neutral minimum cross-entropy density is obtained.
在不完全的保险市场,利用信息论领域中推测概率分布的最小叉熵优化模型,对经验损失分布进行调整,得到保险风险中性最小叉熵密度,进而确定新的保费。
2.
This paper proposes a minimum cross-entropy approach to calculate the exponential utility function.
本文提出了一种计算指数效用函数的最小叉熵方法。
3.
Under the incomplete information of the probability distribution,the minimum cross-entropy optimization model is obtained.
结果表明:最大熵原理只考虑了具有最大熵的概率分布,而在大偏差框架中,考虑了所有的概率分布,此时的熵描绘了随着实验次数的增加,概率分布的收敛情况;若只知道概率分布的不完全信息,最小化叉熵,得到最小叉熵优化模型,模型的解可调整保费。
6) Kullback's cross-entropy
Kullback叉熵
补充资料：叉手叉脚
1.形容参差不齐。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条