fortran_nr

说明：  基于神经网络的数字预失真技术，即智能DPD(Digital Predistortion Technology Based on Neural Network)

用简单易懂的图文方式阐释算法的奥秘，快速了解每个算法的使用场景、原理(Explain the mysteries of the algorithm with simple and understandable graphics and text, and quickly understand the scene and principle of each algorithm)

ista算法，用于最优化求解,迭代收敛，实用小程序(ista algorithm, for the most optimtical problem)

这是一个数组练习，程序的作用是查询一个一维数组（数值型数组）中每一个元素出现的次数，且元素出现的顺序不能改变(This is an array of exercises, the program' s role is to query a one-dimensional array (numeric array) in the number of occurrences of each element, and the element can not be changed in order of appearance)

内含心电信号数据及运用MATLAB写的源代码，有井曲线作为输入可计算其地震波的衰减,Pisarenko谐波分解算法。( ECG data and includes source code written in MATLAB, There is a well attenuation curve as input to calculate its seismic waves, Pisarenko harmonic decomposition algorithm.)

基于matlab的利用传输矩阵法对相移光栅发射谱、时延、色散的数值模拟(phase-shifts of fiber grating)

说明：  模拟光子在多层组织中传输的蒙特卡洛仿真，包括散射系数，吸收系数，光场分布等特性(Monte Carlo simulation of photon propagation in multilayer structure ,It includes scattering coefficient, absorption coefficient,light field distribution and so on.)

麻省理工大学k.j.bathe 教授开发的adina代码,欢迎大家下载,(adina sources by k.j.bathe MIT please download)

说明：  移动最小二乘法程序，用MATLAB编写的函数形式，直接可以调用(Moving Least Square Method)

QR分解法是目前求一般矩阵全部特征值的最有效并广泛应用的方法，一般矩阵先经过正交相似变化成为Hessenberg矩阵，然后再应用QR方法求特征值和特征向量。它是将矩阵分解成一个正规正交矩阵Q与上三角形矩阵R，所以称为QR分解法,(QR decomposition )