MRA

双曲线差分格式求解，包括一个双曲格式求截断误差及稳定性的例子，以及二维波动方程显格式、交替方向格式ADI1和ADIII格式的求解及matlab 程序，文件中附文档及题目的说明及其解法，易读易懂(Difference scheme for solving hyperbolic, including the format of seek a hyperbolic example of truncation error and stability, and significant two-dimensional wave equation format, alternating direction and ADIII format format ADI1 Solution and matlab programs, files, documents and questions in the attached instructions and Its solution, easy to read easy to understand)

用蚁群算法优化bp神经网络，增加预测精度(Using ant colony algorithm to optimize BP neural network and increase prediction accuracy)

一杯沸水冷却，圆柱体模型，底面半径0.05m，高0.1m，周围温度20度，初始水温100度 方程是四维输运方程（常数a^2=k/(c*p)，k是热传导系数0.6006焦/（米*秒*度）） 初始条件：t=0时水等于100度 边界条件：1.上下壁都是自由冷却，第三类边界条件，周围温度保持在20度（H=k/h,h取1） 2.杯壁绝热，第二类边界条件 图形显示格式,取过圆柱轴的截面温度变化将其做成动画. (A cup of boiling water for cooling, the cylinder model, the bottom radius of 0.05m, the high-0.1m, an ambient temperature of 20 degrees, the initial water temperature of 100 degrees is four-dimensional transport equation equation (constant a ^ 2 = k/(c* p), k is the thermal conductivity coefficient of 0.6006 J/(m* s* degrees)) initial conditions: t = 0 when the water equivalent to 100 degrees boundary conditions: 1. up and down the wall are free cooling, the third boundary condition, the ambient temperature maintained at 20 degrees (H = k/h, h check one) 2.杯壁insulation, the second boundary condition graphical display format, check-off section of cylindrical shaft temperature change to make animation.)

公司最近项目做的一个DDC（数字下变频）simulink建模模型 真情奉献给大家(this is a project about digital down-converter,it is bulit with Simulink.)

这是有关matlab的编程，值得一看，呵呵呵呵呵呵呵呵(matlab)

波克林顿法分析半波振子的电流分布，方向图，增益大小，三维方向图(Analysis of Clinton' s half-wave wave oscillator current distribution, pattern, gain size, three-dimensional pattern)

本程序是求解神经电HH方程的较为简单的例子。可以帮助大家了解神经放电的问题(This procedure is to solve HH equation ENoG more simple example. Can help everyone understand the problem of nerve discharge)

Power system load flow analysis using NR Power Flow method with implementation of crout algorithm .

本matlab程序实现地球和天球坐标间的转换，对于天文和航天领域的初学者有一定帮助(Terrestrial and Celestial Coordinate transform)

此函数中主要给出了如何实现MRI体数据的可视化，详细的给出了如何实现的步骤；(This function is mainly given how MRI volume data visualization, gives a detailed steps on how to achieve )