haar-fft

求实对称矩阵的特征值特征向量，内有读入数据文件。(Realistic symmetric matrix eigenvalue eigenvector, there are read into the data file.)

编程序，按如下要求来求解n元一次线性方程组（假设方程组具有唯一解）。 （1）方程个数n之值由用户通过键盘输入； （2）方程组存放在“增广矩阵”A之中，而n行n+1列的A存储空间通过new来动态分配，且A的各元素值也由用户通过键盘输入 (Allocation procedures, the following requirements to solve the n-a system of linear equations (assuming a unique solution of equations). (1) the number n of the value equation by the user through the keyboard input (2) equations stored in the augmented matrix A, while n line n+ 1 column A storage space through the new dynamically allocated, and A The value of each element by the user through the keyboard input)

用Matlab编写 的基于RSSI的信号 强度传输过程中通过损耗进行无线传感器网络WSN节点定位。(WSN ,RSSI)

频率响应函数计算程序,通过输入结构的响应数据，识别结构的模态参数，matlab(frequency response function，)

主要用于三次样条拟合，对离散点进行拟合插值，(Three order spline fitting)

用Matlab程序求解计算物理中使用到的方程，包括：薛定谔方程、傅立叶变换、波函数求解等等(Matlab file is used to describe and solve the equations in the computational physics, including, Schrodinger equation, Fourier transform, wave function solution, etc.)

动力缩聚后的结构刚度、质量矩阵，以及频率(Dynamic stiffness after condensation, mass matrix, and the frequency)

利用emd算法解决经验模式分解的一些存在的端点效应问题。 有效的解决了问题。(Using emd algorithm to solve some of the empirical mode decomposition end effects exist. Effective solution to the problem.)

fluent udf的动网格程序，实现了刚体和基于节点的运动(cg-motion grid motion)

说明：  FFT正变换和逆变换，了解FFT变换的实质(FFT transform and inverse transform is to understand the substance of FFT transform)