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用matlab语言编写的试井分析的程序，做出了均质无限大地层的图像(Matlab language with well test analysis procedures, has made an infinite homogeneous strata image)

说明：  vb语言实现的卡尔曼滤波源程序 （没有测试，输出部分要配合相应的过程）(vb language Kalman filtering source (no test, the output corresponding to tie part of the process))

MATLAB程序估计信号的功率谱，功率谱密度，能量谱，能量谱密度(MATLAB program estimating the power spectrum of the signal, power spectral density, energy spectrum, the energy spectral density)

说明：  非线性最小二乘优化问题以误差的平方和最小为准则来估计非线性静态模型参数的一种参数估计方法。设非线性系统的模型为y=f(x，θ)，常用于传感器参数设定。(64/5000 A parameter estimation method based on the minimum sum of squares of errors. Suppose that the model of the nonlinear system is y=f(x,), which is commonly used for sensor parameter setting.)

说明：  em算法的学习资料，各种格式，包含c和matlab源代码，希望有所帮助(em algorithm learning materials, a variety of formats, including c and matlab source code, hope that helps)

说明：  《神经模糊预测控制及其matlab实现》（第3版）matlab程序.rar()

辛苦搜集的频谱切换方面的源程序，给大家分享一下(Hard to collect spectral switching of the source, to share with you)

To apply spatial filtering for an image

matlab代码实现分形维数计算1，2,3维图形的盒维数(The following examples illustrate how to use the Matlab package boxcount to compute the fractal dimension of 1D, 2D or 3D sets, using the box-counting method.)

seismic response analysis of MDOF structures using wilson-theta method