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ARIMA模型（R语言）
说明： ARIMA的R语言实现。这是一份关于使用R统计软件进行时间序列分析的入门文档(This is a start-up document about time series analysis using R statistics software.)
- 2020-02-03 19:47:56下载
- 积分：1
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单纯形法Matlab程序-2016-11-17
一般线性规划问题具有线性方程组的变量数大于方程个数，这时会有不定的解。当决策变量个数n和约束条件个数m较大时，单纯形法是求解线性规划问题的通用方法。
从线性方程组找出一个个的单纯形，每一个单纯形可以求得一组解，然后再判断该解使目标函数值是增大还是变小了，决定下一步选择的单纯形。通过优化迭代，直到目标函数实现最大或最小值(In general linear programming problems, the number of variables with linear equations is greater than the number of equations. When the number of decision variables n and constraint number m are large, simplex method is the general method for solving linear programming problems.
Find out one by one from the linear equations of the simplex, each a simplex can get a set of solution, and then concludes that the solution is the objective function value increases or smaller and decided to choose the next simplex. By optimizing iteration, until the target function achieves the maximum or minimum value.)
- 2018-03-27 17:22:03下载
- 积分：1
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Gauss-Projection
一个通过高斯正反算公式计算高斯投影后投影平面的二维坐标，也可通过坐标反算大地经纬度。提供54系，西安80系，WGS-84系和CGCS2000系四种椭球参数。(A positive and negative Gaussian Formulas to calculate the two-dimensional coordinates of the Gauss projection projection plane can also be computed from coordinates latitude and longitude of the earth. 54 Department of the the Xi' an 80 series, WGS-84 system and CGCS2000 Department of four oval ball parameters.)
- 2020-12-10 16:09:19下载
- 积分：1
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ShowJFrame
整数位运算及二进制显示。指定整数类型（byte，short,char,int)输入若干整数，选择位运算（&、|、^),显示位运算结果及整数二进制形式(The integer bitwise operations and binary display. Specified integer types (byte, short, char, int) Enter the number of integer bit arithmetic (& , |, ^), showing the result of the operation and integer binary form)
- 2012-12-04 12:29:58下载
- 积分：1
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kraken_tl
利用简正波理论来计算声场，其中用到的思想可以在《计算海洋声学》中找到(using the nomal mode theary to compute the sound field)
- 2011-12-27 15:02:06下载
- 积分：1
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AR(5)
利用AR模型进行时间序列预测的程序源代码，使用最小二乘估计法进行参数估计。拟合效果非常好。(use AR model for time series prediction of the source code, the use of least squares estimation method to estimate parameters. Fitting very good results.)
- 2020-12-29 15:19:01下载
- 积分：1
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GradCalc
地球科学（Fortran90）:
计算空间重力异常、扰动重力、垂线偏差或重力梯度的垂向梯度。
计算方式：数值积分、二维平面FFT、二维球面FFT或一维FFT。(Earth Science (Fortran90): calculate the gravity anomaly, gravity disturbance, the deflection of the vertical or gravity gradient vertical gradient. Calculation: numerical integration, FFT of the two-dimensional plane, two-dimensional spherical FFT or one-dimensional FFT.)
- 2012-10-13 14:17:10下载
- 积分：1
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SMM
说明： 几种模幂算法，有传统模幂，SMM模幂，基于2的K次方的模幂和最一般的模幂算法，还有为这些模幂算法建立的WINDOWS对话框。可以方便的运行。(algorithm, the traditional mode power, SMM Modular Power, Based on two of the K-th power module and the most common mode power algorithm, These modules also for the establishment of the algorithm Power Windows dialog box. To facilitate the operation.)
- 2006-04-27 22:49:38下载
- 积分：1
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emd
c语言程序编写在经验模态分解，包含三次样条(c language programming in the empirical mode decomposition, contains the cubic spline)
- 2021-02-03 01:10:00下载
- 积分：1
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LINESLIDER
线接触滑块的计算方法，给定雷诺方程和膜厚方程，然后用迭代方法计算压力分布和膜厚分布，以及承载能力(The calculation method of the line contact of the slider, a given Reynolds equation and the film thickness of the equation, and then calculated using iterative methods, pressure distribution and film thickness distribution, as well as carrying capacity)
- 2020-12-10 09:19:18下载
- 积分：1
