numerical-identities

丁星版《MATLAB杆系结构分析》内容全面详尽，涉及了平面刚架及空间刚架的静力分析和动力分析。随书光盘中附有书中涉及的所有Matlab源程序和例题。本代码为光盘源码。(D Star Edition "MATLAB analysis of truss structures" comprehensive and detailed, involving a plane frame and space frame analysis of the static and dynamic analysis. CD-ROM with the book to all involved with the book and Matlab source code examples. The source code for the disc. )

PID极点配置控制（二阶系统，对象参数已知） (PID pole placement control (second-order system, the object parameters are known))

周期对称方波信号的傅里叶级数展开 有限项级数来逼近无限项级数(fourier series )

简单易懂的双音多频的matlab仿真源代码，采用的算法为葛泽尔算法(The straightforward dual tone multi-frequency simulation matlab source code, using the algorithm for Ge Zeer algorithm)

六十四QAM调制解调器，实现星座映射解映射(64QAM encoder)

说明：  可以将图的颜色在0位置表现为白色，使用方法为multimap函数，注意将范围设为对称，这样就可以将0设为白色(Can map the location of the performance of the color 0 is white, the use of methods for Multimap function, set the scope of attention to symmetry, this can be 0 is set to white)

刚刚找到的，貌似还可以用，请下载的话，自己修改一下，别让老师发现就行了！(Just found, looks like you can use, download it, its changed a bit, do not let the teacher found on the line!)

中国电力出版社 牛拉法潮流分析 程序 共享下(China Electric Power Press cattle Rafah trend analysis program sharing)

对网络划分社区,并找出最大的社区,很有用的程序(Find the largest giant component)

using the magic time-step in 1D FDTD grid, implement a total-field/scattered-field wave-source.