Matlab解微分方程(ODE+PDE)

DCD差分格式求解激波在刚性楔面上反射问题(DCD difference scheme for solving the shock wave in a rigid wedge surface reflection)

说明：  计算混沌系统的lyapunov指数和poincare截面(Calculation of chaotic systems lyapunov index and cross-section poincare)

此代码属于地球物理领域，是用有限差分开发的直流电法三维正演，基于FORTRAN平台，此代码具有很高的运算效率，对于从事地球物理领域的人来说是不可多得的(This code belongs to the field of geophysics, is developed using finite difference method of three-dimensional forward modeling of DC, FORTRAN-based platform, this code has high computing efficiency, people engaged in geophysical field is rare)

Delphi实现最小二乘法，进行多点拟合，目前支持4点拟合(Delphi realizes the least square method and multi-point fitting. At present, it supports four-point fitting.)

说明：  阵列存在幅相误差条件下的DOA估计算法仿真(Simulation of DOA estimation algorithm with amplitude and phase errors in array)

大规模配电网118节点的潮流计算程序，辐射状网络，含原始数据。(Large-scale distribution network 118 nodes of the power flow calculation procedures, radial network, with the original data.)

用VBA在Excel里实现分级计算，实现通过年终奖和月收入计算个人所得税的功能。数据为2012年最新的标准，对于会计电算化人员有非常强的实用性。(VBA in Excel to achieve grade calculated to achieve the functionality of the calculation of personal income tax through the end of the year Award and the monthly income. The data for 2012 the latest standards, computerized accounting personnel have a very strong practicability.)

应用遗传算法做电网规划，把遗传算法应用于输电网络规划，提出了基于遗传算 法的输电网络规划模型，以新建线路的投资费用和系统年运 行费用之和最小为目标函数，建立了输电网络规划的数学模型。该模型还考虑了“N-1”事故检验，使得规划方案更加合理。以Garver-6节点系统为例进行优化规划(The application of genetic algorithms to do network planning)

利用SAR卫星在多个时刻的位置和速度信息，计算出任意象元成像时刻卫星的位置，拟合出SAR卫星的轨道模型。(Using SAR satellite in multiple time position and velocity information to calculate as the image element imaging time satellite position, fitting the SAR satellite orbital model.)

求解线性方程组，高斯消去法精确求解出任意个方程组的解，(Solving linear equations, Gaussian elimination exact solution,)