利用回归分析、灰色关联度和层次分析方法建立了施肥量对农作物生长的数学模型。
Some mathematical models are given about crop growth and fertilization quantity, by using the methods of regression analysis, grey dependent degree and analytical hierarchy process.
回归分析法、灰色系统模型法和指数平滑法是目前常用的水上交通事故预测方法。
Regression analysis, grey-system and exponential smoothing method are in common use as forecasting methods of maritime accidents nowadays.
第六部分采用一元线性回归、多项式回归、灰色系统G（1，1）模型和组合预测模型对山东省现代物流业未来需求状况进行了中期预测。
The sixth part forecasts the future logistics demand of Shandong Province on the basis of one linear regression, polynomial regression, gray system G(1,1) model and combination forecast model.
本文提出了运用灰色预测模型和几何回归模型预测重大节日期间电网日负荷曲线的方法，并编制了相应软件。
A method to use the grey prediction model and geometric regression model to predict the daily load curve of power systems during the great holiday is proposed. A relevant software is presented.
文章根据组合预测的理论和BP神经网络对非线性数据良好的逼近特性，提出了基于BP神经网络的灰色预测、多项式回归模型的民用汽车运力组合预测模型。
Based upon the theory of combined forecasting, up-standing identity of BP neural network on approaching non-linear data, put forward a combined forecasting model for civil motors.
给出了灰色-线性回归模型算法的基本思想和计算步骤，并举例说明如何用该模型解决实际问题。
The basic concepts and calculating steps of gray-linear regression calculation are put forward with some practical examples.
对电量和负荷的预测都提供了回归模型、趋势外推模型、灰色模型和组合模型等。
Establishing combined forecasting model using artificial neural network on the basis of MATLAB toolbox.
对电量和负荷的预测都提供了回归模型、趋势外推模型、灰色模型和组合模型等。
Establishing combined forecasting model using artificial neural network on the basis of MATLAB toolbox.
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