dop54_dop853

music change speed中，jiasu.m是让一首音乐旋律速度加快播放，jiansu.m是让一首音乐旋律速度减慢播放，两个情况下都不改变音乐的基调。(Music change speed, jiasu.m is to allow a faster melodic playing, jiansu.m is to make a musical rhythm to slow down play, the two cases do not change the tone of music.)

说明：  该函数仿真了线型调频函数的模糊度图。对学习模糊度者有一定借鉴作用(The simulation of a linear function of the ambiguity function FM Fig. Fuzzy degree of learning from those who have a certain role)

gm(1,1)灰色预测模型，可以进行各种预测。短期的电力负荷预测尤其的好。也可以进行中长期的预测，但是效果没有短期的好。(gm (1,1) Grey forecasting model can predict all kinds. Short-term load forecasting particularly well. Can also make long-term forecast, but they were not short of good.)

matlab金融建模中关于期权定价的教程和实例(Matlab financial modeling tutorials and examples of option pricing)

This program alows you to add noise to a source and the remove the noise by filtering.

解椭圆型方程的Matlab程序,可以用来求解拉普拉斯方程或泊松方程，对做数学模拟很有用(Solutions of Elliptic Equations Matlab program that can be used to solve the Laplace equation or the Poisson equation, mathematical simulation is useful to do)

基于阴影分割的车辆检测识别，可以成功地检测出车辆位置(the vehicle detection based on shadow,it can detect the vehicle succefully)

Script to solve the heat equation in soil with seasonal temperature forcing

it is to find the y coordinates

example for optimization by pso algorithm