Crop

Inspired with scramble game in android, a algorithm for searching dictionary words based on the traversing of 4x4 word matrix. taking long time to run but a novice idea.

A set of functions to crop polygons or compute are of polygons intersection.

主要内容包括matlab 语言基础、MATLAB程序设计基础、各种数值计算方法程序，可为MATLAB初学者提供学习指导。(The main contents include basic language matlab, MATLAB programming foundation, various numerical methods and procedures, MATLAB provides guidance for beginners to learn.)

误差包络的仿真，能够运行出结果。希望对大家有帮助(Error envelope simulation, able to run the result. We want to help)

二维信号卷积，若x为N1*M1的二维信号，y为N2*M2的二维信号，则卷积为(N1+N2-1)*(M1+M2-1)的信号(Two demension signal convolution. )

多种方差减小蒙特卡洛法计算期权的程序，程序对学习蒙特卡洛很有帮助！(Various variance reduction Monte C Lofa option calculation procedures, procedures for the Monte Carlo learning very helpful!)

0-9数字语音识别matlab程序，语音识别程序。(Matlab program 0-9 voice recognition, speech recognition program.)

该程序用一个实例进行演示线性回归方程的建立。(The procedures used to establish an instance demonstrates the linear regression equation.)

matlab code for GRABIT

Computation of the PSD directly from the autocorrelation using Hanning windowing.