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implemntation an appraoch of extraction a feuatres of object

4-9-1的结构ga-lm的bp算法 有示例数值 不是拟合而是预测(4-9-1 structure of ga-lm bp algorithm is not fit but there are examples of numerical prediction)

大地电磁一维层状介质电磁响应程序，希望能对初学者有用(Magnetotelluric one-dimensional electromagnetic response program of layered media, the hope can be useful for beginners)

说明：  对埃克曼风海流进行数值模拟，观察不同风速下风海流的结构差异以及风海流结构随时间的差异。(The numerical simulation of Ekman wind current is carried out to observe the structure difference of wind current under different wind speed and the difference of wind current structure with time.)

维纳滤波，能滤除干扰噪声，提取有用信号。但是当输入信号的统计特性偏离设计条件，它就不再是最佳的了，这在实际应用中受到了限制。 (Wiener filter, to filter out interference noise, extract the useful signal. However, when the statistical characteristics of the input signal deviates from the design conditions, it is no longer optimal, which has been limited in practical application.)

这是matlab用户手册，对于初学者很有益，里面涉及到各个方面，很有价值的参考资料。(This is a matlab user manual, very useful for beginners, which relate to various aspects valuable reference.)

Sags in energy industry

在线向量回归分析，有包涵一个例子和内定函数等(On-line vector regression analysis, there is an example of indulgence and unofficially functions, etc.)

说明：  模糊聚类算法，实现对数据的聚类分析，供大家参考(Fuzzy clustering algorithm, the realization of the cluster analysis of data for the U.S. reference)

In pattern recognition, the k-nearest neighbor algorithm (k-NN) is a method for classifying objects based on closest training examples in the feature space.