xianshi

高斯消元法、高斯列主元消元法解线性方程组。程序由本人独立完全独立完成。版权所有！(Gaussian elimination method out PCA Gaussian elimination method for solving linear equations. I am independent program consists entirely independently. All rights reserved!)

这是一段杆塔建模的命令流，可用于ansys有限元分析(This is a tower of order flow modeling, finite element analysis can be used to ansys)

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.)

通过换能器测量得到材料的信号到达时间，根据一些已知条件以及声学公式计算材料的声速(Measured by the transducer signal arrival time of the material, according to some known conditions, and calculated acoustic velocity materials)

本算法是求取点到曲线的距离，希望对大家有帮助(the algorithm is to strike a point of the distance curve, and I hope to be helpful)

用Roe格式求解黎曼激波管问题的Fortran源代码。可以通过MUSCL插值来提高求解精度。适合计算流体力学的初学者参考学习。(Riemann shock tube problem with Roe scheme. You cam improve the accuracy by MUSCL interpolation. This code is suitable for CFD beginners.)

求解速度压力耦合的Simple半隐式迭代方法，该方法在计算流体动力学中应用极为广泛(To solve the pressure velocity coupling Simple semi-implicit iterative method, the method applied in the Computational Fluid Dynamics an extremely wide range of)

simca-p偏最小二乘法软件教程....(useful word)

三次B样条最小二乘拟合，附文献，Approximation of data using cubic B′ ezier curve least square fi tting，Author: M Khan(Cubic B-spline least squares fitting and literature. Approximation of data using cubic B ezier curve least square fitting, Author: M Khan,)

改进的GM（1，1）程序，可实现时间序列的灰色等维新息预测，采用弃旧纳新的原则。(The improved GM (1, 1) program, can realize the time series prediction using grey information renewal, discarding the old and new principles.)