RLFWD01

测绘程序，计算测边网各点坐标的评查程序，值得借鉴(Mapping program to calculate the coordinates of each point measured the side-netting of assessment investigative procedures, worth learning)

Runge－Kutta45算法与Runge-Kutta54算法的matlab实现 数值分析课程代码(Runge-Kutta 45 algorithm and Runge-Kutta 54 algorithm matlab implementation Numerical Analysis Course Code)

FFT快速傅里叶变换，用于数字信号处理，大大提高了运行速度，节省内存开销。C语言实现(FFT fast Fourier transform for digital signal processing, greatly improving the speed and save memory overhead. C language)

说明：  Dijkstra算法与Floyd算法的matlab实现，以求解最短路问题(Dijkstra algorithm and Floyd algorithm matlab realize in order to solve the shortest path problem)

常微分方程求解的搜索延拓法，克服了Newton-Raphson法对初值问题影响过大的问题(Solving Ordinary Differential Equations search continuation method to overcome the Newton-Raphson method for initial value problem of the impact of the problem is too large)

fortran四阶龙格库塔法 计算程序自己编程(fortran fourth-order Runge-Kutta method)

计算半方差，如果按克里金法计算插值要求计算半方差，用此程序可实现。(Calculation of semi-variance, if the Kriging interpolation method call for the calculation of semi-variance, using this procedure can be realized.)

说明：  abaqus周期性边界条件代码，可以参考学习(ABAQUS periodic boundary condition code can refer to learning)

说明：  最小二乘法估算三元二阶方程式系数，用于抛物线曲线拟合(Estimating coefficient of second order equation by least square method)

此程序为香农编码的程序实现的过程及相关参数和结果。(shannon)