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Solution for some problems in Codeforces

土质边坡极限平衡分析软件简介，陈组煜院士开发，功能强大(Limit equilibrium analysis of soil slope Software Introduction, Chen-yu Academy Development Group, a powerful)

haar小波分析的类，只有头文件，输入为一个序列的信号，输出为haar小波分解后的各级参数(haar wavelet class)

说明：  一个用MATLAB实现的二阶系统的编程,想望对下载的人有用(this is a small file for two order styem by MATLAB ,I hope it will be useful to your.)

地震数字处理的基本程序，其中包括滤波褶积，fft，dft，自相关互相关，以及偏移等，对地质学人员比较有用(Digital processing seismic basic procedures, including convolution filter, fft, dft, autocorrelation cross correlation, and offset, etc., more useful for people geology)

分数阶傅里叶变换计算方面,线性调频脉冲压缩的Matlab程序,包含收发两个客户端程序。( Fractional Fourier transform computing, LFM pulse compression of the Matlab program, Transceiver contains two client programs.)

国外计算机经典教材，MATLAB有限元分析与应用。该书为中译本，详尽介绍了有限元分析的各种方法。(MATLAB guide to finite elements.)

牛顿拉夫逊法编制的潮流计算程序，很实用，是很好的学习资料(Newton-raphson method of power flow calculation program, very practical, is a very good learning materials)

姚东等编著的Matlab命令大全，适合初学者使用。(YAO Dong-ed, such as the Matlab command Daquan, suitable for beginners to use.)

1133671672316介绍matlab的应用(1133671672316 introduced the application of matlab)