DXSNH

用C语言实现解决约瑟夫问题的一种方法，也许会对他人有启示。(C language implementation with a way to solve the problem, Joseph, and perhaps others, would be revealing.)

用蒙特卡洛模拟的方法计算美式期权的价格以及基本描述,实现了图像的加水印，去噪，加噪声等功能，包括最小二乘法、SVM、神经网络、1_k近邻法。( Monte Carlo simulation method of calculating the American option price and basic description, Realize image watermarking, de-noising, plus noise and other functions, Including the least squares method, the SVM, neural networks, 1 _k neighbor method.)

roe格式对多种不同初始条件黎曼问题的计算。(the document solve the riemann problem with roe method.)

ARIMA算法的Python实现，预测时间序列数据。 附两个数据： AirPassengers UK Traffic flow(The Python implementation of the ARIMA algorithm predicts the time series data. Two data are attached. AirPassengers UK Traffic flow)

Lasso算法源代码,stanford开发的,绝对可靠(Glmnet for Matlab- Lasso (L1) and elastic-net regularized generalized linear models)

说明：  Galileo单频定位程序，能基于rinex文件实现高精度定位，供编写时参考(Galileo single-frequency positioning program can achieve high-precision positioning based on RINEX file for reference when writing.)

包括最小二乘法、SVM、神经网络、1_k近邻法,合成孔径雷达（SAR)目标成像仿真，主要是基于mtlab的程序。( Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Synthetic Aperture Radar (SAR) imaging simulation target, Mainly based on the mtlab procedures.)

石墨烯量子态密度计算，采用紧束缚近似以及薛定谔方程，计算态密度(Graphene quantum state density calculated using the tight-binding approximation and the Schrodinger equation to calculate the density of states)

该程序是利用GIvens变换进行矩阵的QR分解(The program uses GIvens transform to solve QR matrix.)

说明：  郭照立D2G9(D2G9)