fembem-for-EM-scattering

WRF模拟结果气象要素的检验对比，包含均方根误差，偏差和相关系数等(WRF simulation test results comparing meteorological elements, including the root mean square error, deviations and correlation coefficients)

一个案例代码，用最小二乘支持向量机的，预测煤炭量(A case code, using the least squares support vector machine to predict the volume of coal)

QR方法是一种变换方法，是计算一般矩阵(中小型矩阵)全部特征值问题的最有效方法之一.(QR method is a transformation method is the calculation of the general matrix (small and medium-sized matrix) eigenvalue problem for all of the most effective methods.)

读取csv文件的数据，按要求拉算出平均数(Read csv file data, calculate the average number required to pull)

Training a 3 layers feed forward neural network using back propagation algorithm

计算方法：主要是高斯消去法的C语言算法实现(Calculation method: Gaussian elimination)

卡尔曼滤波程序，两变量滤波；正弦信号跟踪；卡尔曼差分到状态方程的转换；卡尔曼同滑动平均比较(Kalman filtering process, the two variable filter sinusoidal signal tracking Kalman differential equation of state of the conversion Kalman compared with moving average)

1.数据时随机产生的（产生1000个随机数），进行排序2.每一次数据排序之后，都可以看到排序的移动，交换次数以及排序的时间。 (1. After randomly generated data (generated 1000 random numbers), every sort 2. Sort the data, you can see the sort of move, switching times and sort of time.)

这是一个3维8节点计算弹性力学有限元的MATLAB程序： 1） 生成网格的程序，可以更改模型尺寸、单元数量等参数；2）可以 计算刚度矩阵、位移、应力等，并将结果保存；3）可以后处理程序显示结果；(This is a 3-D 8-node MATLAB program for calculating finite element of elasticity:1) mesh generation program, which can change the size of the model, the number of elements and other parameters; 2) stiffness matrix, displacement, stress and so on can be calculated, and the results can be saved; 3) the results can be displayed by post-processing program.)

eof分析，关于气象方面的经验正交函数分析，eof.f90 作降水的eof分解(eof analysis, empirical orthogonal function analysis of the meteorological aspects eof eof.f90 for precipitation, decomposition)