matlab

说明：  这是数值分析的一些作业实验，文件中有详细的文档对理论，实验和算法的说明，用于病态方程组求解的源代码(This is the numerical analysis of the experimental operation, the paper detailed documentation of theory, experiment and the algorithm shows that morbid equation for solving the source code)

本程序应用python编程，用到3机9节点算例，数据也给出，可以实现潮流计算。(This program uses python programming, uses 3 machines and 9 nodes to calculate the example, and the data is also given, which can realize the load flow calculation.)

根据中国气象数据网下载的全国气象站点的数据，批量提取所需站点的数据。(According to the data of the national meteorological station, which is downloaded by the China Meteorological data network, the data of the required sites are extracted.)

一个drucker prager模型的 的用户子程序，用于求解平面应变问题 abaqus UMAT and inp(drucker prager yield model for abaqus )

用切比雪夫多项式逼近已知函数 用勒让德多项式逼近已知函数 用帕德形式的有理分式逼近已知函数 用列梅兹算法确定函数的最佳一致逼近多项式 求已知函数的最佳平方逼近多项式 用傅立叶级数逼近已知的连续周期函数 离散周期数据点的傅立叶逼近 用自适应分段线性法逼近已知函数 用自适应样条逼近（第一类）已知函数 离散试验数据点的多项式曲线拟合 离散试验数据点的线性最小二乘拟合 离散试验数据点的正交多项式最小二乘拟合 (By using Chebyshev polynomial approximation of the known functionApproximation of the known functions by Legendre polynomialsApproximation by rational fraction of known function in the form of PadmaTo determine the best uniform function polynomial approximation with the Lemez algorithmThe best known polynomial square for function approximationContinuous periodic function with Fourier series approximation of the knownApproximation of discrete data points in the Fu Liye cycleApproximation of the known function with adaptive piecewise linear methodAdaptive spline approximation ( first class ) known functionPolynomial curve fitting of discrete data pointsLinear least squares fitting of discrete data pointsOrthogonal polynomial least squares fitting of discrete data points)

高斯-赛德尔迭代法是解线性方程组的常规算法，本文是C语言的高斯-赛德尔计算代码(Gauss-Seidel C program)

根据经度纬度时间，计算太阳的方向角，matlab源码，附有详细的文档注释。(According to longitude latitude time, calculating the direction of the sun angle, matlab source, with detailed documentation of the Notes.)

深入浅出蒙特卡洛方法，蒙特卡洛仿真高级学习文档资料，提供深入浅出的学习帮助(Simple terms Monte Carlo method, Monte Carlo simulation of advanced study and documentation, providing simple terms of learning to help)

矩阵的广义逆计算，共两种方法，其中迭代法有一阶收敛和二阶收敛(generalized inverse matrix calculation, a total of the two methods, which iteration is a second-order convergence and convergence)

Matlab 算法寻找Bessel函数的零点。(find the zero point of Bessel functions)