butterbandpass

This code is for solving differential eqns using cholesky decomposition method, gausselimination method, croutsdecomposition method, LaverrierFaddeev, GAUSSSIEDELGAUSSSIEDEL method

利用matlab构建toeplitz循环矩阵(toeplitz in matlab)

在Matlab环境下实现的无损编解码，代码简单易懂(In the lossless codec implementation under the environment of Matlab, the code is simple to understand)

读取图像变换成二进制码流的matlab代码(Read image is converted into a binary stream matlab code)

现代数值计算方法所附光盘源码第五部分（福建师范大学）马昌凤, 林伟川编著 科学出版社(Modern numerical methods accompanying CD-ROM Source fifth part (Fujian Normal University) MA Chang-Feng, LIN Wei-chuan edited by Science Press)

the is the simulation of protocole leach with instuctions of plot

PSO algorithm to tuning PID

说明：  灰色理论认为系统的行为现象尽管是朦胧的，数据是复杂的，但它毕竟是有序的，是有整体功能的。灰数的生成，就是从杂乱中寻找出规律。同时，灰色理论建立的是生成数据模型，不是原始数据模型，因此，灰色预测的数据是通过生成数据的gm(1,1)模型所得到的预测值的逆处理结果。 此程序用来作灰色预测。 (Gray theory that the behavior of the system even though the phenomenon is dim, the data are complex, but it is after all, is orderly, there is a whole function. Gray number generation, that is, from the clutter to find out the laws. At the same time, the gray theory is to generate data model, rather than the original data model, therefore, gray forecast data to generate data through the gm (1,1) model by the inverse of the predictive value of the results. This procedure is used for gray prediction.)

基于无传感器的矢量控制的matlab的程序框图，经试验，可以正常运转(Based sensorless vector control matlab block diagram, the test can be normal operation)

solution of distribution system 33 bus voltage power current load flows