Description: 本算法用最小二乘法依据指定的M个基函数及N个已知数据进行曲线拟和 。 本算法用指数平滑法预测数据-the algorithm using the least-squares method based on the designated function of M and N-known data and the curve-fitting. The algorithm used to predict exponential smoothing data Platform: |
Size: 4844 |
Author:fcx |
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Description: 本算法用最小二乘法依据指定的M个基函数及N个已知数据进行曲线拟和 。 本算法用指数平滑法预测数据-the algorithm using the least-squares method based on the designated function of M and N-known data and the curve-fitting. The algorithm used to predict exponential smoothing data Platform: |
Size: 4096 |
Author:fcx |
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Description: 曲线拟合小工具,包括对数拟合,多项式拟合,直线拟合,指数拟合,乘幂拟合-Curve fitting of small tools, including on the number of fitting, polynomial fitting, straight fitting, exponential fitting, by fitting power Platform: |
Size: 4096 |
Author:guhaipeng |
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Description: 函数逼近与函数拟合实验,分别根据数据拟合了二次函数和指数函数,并且包含excel和实验报告-Function approximation and fitting experiment data were fitted according to a quadratic function and the exponential function, and the report contains excel and experimental Platform: |
Size: 219136 |
Author:左小龙 |
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Description: 基于MATLAB的组合模型
在港口吞吐量预测中的应用
以某港1998--2007年集装箱吞吐量为实测数据,建立其集装箱吞吐量的灰色理论、三次指数平滑、三次多项式
等预测模型,在MATLAB下,对比该港集装箱吞吐量各模型预测拟合值与实际值的差异。分析了差异产生的原因及其单一预
测模型的局限性,提出了港口集装箱吞吐量组合预测法。其预测误差明显低于其它单模型。运用组合预测模型.可以降低误
差。提高预测精度。-A combination of MATLAB-based model in port throughput prediction of a Hong Kong 1998- 2007 container throughput for the measured data, the establishment of its container throughput of the gray theory, the three exponential smoothing, prediction models, such as cubic polynomial in MATLAB, the contrast of the Hong Kong container throughput of fitting the models to predict the value of the difference between the actual value. Analysis of the causes of differences and the limitations of a single prediction model, the combination of port container throughput prediction. Its prediction error was significantly lower than other single model. The use of combination forecasting model. Can reduce the error. Improve the prediction accuracy. Platform: |
Size: 148480 |
Author:张学利 |
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Description: 分别用双曲线函数和指数函数拟合曲线,并进行误差计算,并能绘制曲线-Respectively hyperbolic function and the exponential fitting curve, and make error calculation, and can draw the curve of Platform: |
Size: 172032 |
Author:王娇阳 |
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Description: 本文介绍了模拟退火算法的原理和求解方法,并将其用于指数曲线的拟合,在Matlab语言环境下实现了该算法,并且与文献中的遗传算法、线性回归相比较。数值模拟结果表明,该算法能更好地实现最优拟合。-This article describes the principle of simulated annealing algorithm and solution methods, and used an exponential curve fitting, the language environment in Matlab implementation of the algorithm and the genetic algorithm with the literature, linear regression comparison. Numerical simulation results show that the algorithm can better achieve the optimal fit. Platform: |
Size: 17408 |
Author:yaoqiuxiang |
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Description: 数值计算,用最小二乘法实现线性拟合,指数拟合,三次拟合并会绘制图线,计算相应的误差值-Numerical calculation, with the least squares method of linear fitting, exponential fitting, three draws graph lines to be combined to calculate the corresponding error Platform: |
Size: 72704 |
Author:李依凡 |
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Description: 曲线拟合法:本方法分别利用一元线性函数、对数函数、指数函数和抛物线函数对数据拟合,取拟合优度判定系数最大者作为预测模型,得出预测值及预测区间(置信度为0.95)-Curve fitting: This method is the use of a linear function, respectively, logarithmic, exponential and parabolic functions for data fitting, goodness of fit to take the maximum coefficient of determination, as predicted by the model, predicted values ??and prediction intervals obtained (confidence 0.95) Platform: |
Size: 2048 |
Author:相当可以 |
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Description: 提供了拉格朗日插值 一次多项式拟合 指数拟合三种计算方式。是使用picturebox作图的好例子,其中test.xls是一个4点的数据文件-Provides three method of calculation, there are the Lagrange interpolation polynomial fitting exponential fitting . Is a good example of using picturebox drawing, test.xls is a 4 points data file. Platform: |
Size: 28672 |
Author:陈继开 |
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Description: 利用labview设计:
设计一台实用的曲线拟合仪,由用户选择实验数据的输入方式。对已给定的实验数据,用户可方便的选用线性、指数、多项式种曲线拟合方式,并直观地给出各种拟合方式的拟合结果,此VI还具有保存实验数据的功能。
录音机 (可以回放)-The labview design: design a practical curve fitting instrument experimental data selected by the user input. Given experimental data, the user can use linear, exponential, polynomial curve fitting way, and intuitive fitting results give a fitting way VI also has saved the experimental data function. Recorder (can playback) Platform: |
Size: 68608 |
Author:Haibin Zhang |
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Description: 在控制台下利用高斯消元法实现直线拟合,多项式拟合,指数函数拟合,幂函数拟合,大家可以利用它进行二次开发-In the console environment,I using the Gaussian elimination method to achieve linear fitting, polynomial fitting, exponential fitting, fitting power function, we can use it for secondary development Platform: |
Size: 37888 |
Author:徐志高 |
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Description: 对电压数据进行多项式拟合或指数拟合,并进行频谱分析-Voltage data polynomial or exponential fitting and spectral analysisVoltage data polynomial or exponential fitting and spectral analysis Platform: |
Size: 4096 |
Author:安静 |
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