xianjiechuhuakuairunhua

FFT with fix point 2*N

时频分析的matlab GUI，AOK TFR 2，里面含有代码和相应的功能介绍的使用方法。分析结果分辨率很高( U65F6 u989 u5206 u7901 u7801 u548C u76R8 u5E94 u529F u029F u803F0 u4ECB u7ECD u7684 u4F7F U7528 u65399 u7)

python编写SM3密码杂凑算法,测试字符串abc, abcd*16(written in python SM3 password hash algorithm, the test string abc, abcd.* 16)

三次样条曲线拟合代码，先训练，后差值，计算非常准确(Three times spline curve fitting, the first training, and after, computation is very accurate)

最短路径floyd算法 数学建模 matlab(Floyd shortest path algorithm of mathematical modeling matlab)

fortran code for LINEAR_WAVE PROPAGATION by upwind method.

吉尔算法积分一阶微分方程组初值问题的C语言描述，包括主函数、计算微分方程组中各方程右端函数值的函数程序、计算雅克比矩阵的函数程序、矩阵求逆程序等。(GEAR algorithm integral first order differential equations initial value problem of the C language description, including the main function to calculate the differential equations in the equation right function value function procedures, functions Jacobian matrix calculation procedures, matrix inversion procedures.)

一个表达式计算库，支持算术，逻辑运算，位运算，支持多层级的if/then/else，功能强大。(Calculation of an expression library, support for arithmetic, logic operations, bit computing, multi-level support if/then/else, powerful.)

利用Matlab计算quality factor. 输入是谐振波谱的数据，输出为：谐振频率，谐振幅度和quality factor。(Matlab coding. Calculate quality factor of resonator based on transmission spectrum data.)

理想流体势流的有限元求解程序,简单易懂，适合初学者对该方法编程的一个初步认识,程序内有详细的注释(Potential flow of ideal fluid finite element solver, easy to understand, this method is suitable for beginners programming a preliminary understanding of the program with detailed notes)