Pattern_recognition1

利用快速解耦法进行电力系统潮流计算，对配电网进行潮流计算(Use of PQ decomposition method for the electric power flow calculation system)

优化设计算法：用powell法求解目标函数的最优解和最优值，已经验证算法的正确性，在visual c++6.0下开发(Optimization algorithm: Solving the objective function with powell optimal solution and optimal value, has verified the correctness of the algorithm, the visual c++6.0 under development)

采用相互垂直的两个振子构成圆极化天线的FDTD程序．可以计算其圆极化波瓣宽度等天线指标 (perpendicular to each other using the two oscillator constitute a circularly polarized antenna FDTD procedures. Can calculate its lobed circular polarization antennas width indicators)

进行主成分分析的多种方法，简单和复杂的，适合初学者使用(For a variety of methods of principal component analysis, simple and complex, suitable for beginners to use)

对一个微带天线使用FDTD方法进行计算和分析，得到该天线反射系数，远区辐射场等信息(Right a microstrip antenna to use the FDTD method carry on calculated and analyzed, get this antenna reflection coefficient, far Ou radiation field and other information)

数值分析（Burden）第七版的习题解答，中文繁体，找不到简体的，大家凑合看吧(Numerical Analysis (Burden) answers to the seventh edition of the exercises, Chinese Traditional, can not find the simplified)

matlab版本的动态非结构网格划分程序，希望对你们有用，欢迎下载。(matlab version of the dynamic non-structural meshing program, I hope useful to you, welcome to download.)

压缩包中包含五个CFD基础程序，其中MacCormack1DSolveRiemann.for是一维欧拉方程求解（黎曼问题），UpwindTVD_1D.for是一维可压粘性N-S方程求解，MAC-Chorin2D.for是利用MAC算法和Chorin压力迭代解法求解 二维不可压缩黏性平板间Poisuille流动问题，Lax-Webdroff2D.for是利用Lax-Webdroff差分格式求解二维平面激波反射问题，fvm_upwind_MAC_couette.for是以一阶迎风型离散格式和Chorin压力迭代求解couette二维流动问题。(CFD compression package contains five basic program, which is an Euler equation solving MacCormack1DSolveRiemann.for (Riemann problem), UpwindTVD_1D.for is one-dimensional compressible viscous NS equation solving, MAC-Chorin2D.for is the use of algorithms and MAC Chorin pressure iterative solution for solving the two-dimensional incompressible flow problems between viscous flat Poisuille, Lax-Webdroff2D.for using Lax-Webdroff difference scheme for solving the two-dimensional plane shock wave reflection problem, fvm_upwind_MAC_couette.for based on first order upwind scheme and Discrete Chorin pressure couette iterative solution of two-dimensional flows.)

精密星历内插 matlab代码,包含误差分析(Precise ephemeris interpolation matlab code, including error analysis)

用于数值积分的稀疏网格高斯埃尔米特方法,可以产生积分节点和积分系数(Sparse Grids Based on Gauss-Hermite Rules)