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完整的决策树算法，训练决策树，修剪决策树(机器学习)(decision tree)

matlab加筋土挡土墙设计，完整的设计过程，同时可以进行改变筋条的长度(matlab reinforced soil retaining wall, the complete design process, at the same time can change the length of the ribs)

lvq vector quantization algorithm for the simulation program Matlab.

fit in processing with function

This simulation demonsrtates the control of a dc motor using a speed control and current control loops.Typical dynamic responses od the dc motor are also shown. The motor is initially at standstill and at no load when a step command in speed is applied when steady-state conditions are reached, a reversal of speed is commanded followed by a step load application.

总体PCC和集团统计混淆矩阵3D 显示一个3D混淆矩阵，并返回N组深入每个组的整体统计和统计(Confusion Matrix 3D with Overall PCC and Group Statistics)

Integers is given a rectangular matrix. define: 1) The number of rows containing at least one zero element 2) the number of the column in which the longest series of the same elements

emd经验模态分解，适用于对含噪信号处理，优于小波去噪的信号去噪方法。(Empirical mode decomposition)

说明：  九节点的潮流计算matlab程序，可以用来进行电力系统的潮流计算。(power system flow calculation)

说明：  l雷诺方程离散求解的基本思路以及程序编写思路(The finite difference method of Reynolds equation and the realization of related programs)