MAPLE-Introduction

说明：  用PSO-BPNN算法对时间序列数据进行拟合并预测未来一段时间数据(Using pso-bpnn algorithm to predict the future time series data)

大型上用有限元软件ABAQUS的用户自定义材料子程序UMAT，用于计算材料低周疲劳极限和损伤下的应力应变关系(calculating material low cycle fatigue limit)

fortran编写的共轭梯度法模块，直接套用，可以直接读矩阵文件(the conjugate gradient method of fortran written modules, ready-made, you can directly read the matrix file)

说明：  所给的m文件中有详细的构造三对角分块矩阵的方法，而且构造的分块矩阵采用的是稀疏存储的方法，适用于大型三对角分块矩阵的构造(There are detailed methods to construct tridiagonal block matrix in the given m file, and the method of sparse storage is used to construct the block matrix, which is suitable for the construction of large tridiagonal block matrix.)

用蒙特卡洛模拟的方法计算美式期权的价格以及基本描述,能量熵的计算，sar图像去噪的几种新的方法。( Monte Carlo simulation method of calculating the American option price and basic description, Energy entropy calculation, Several new methods sar image denoising.)

恒温减压沸腾UDF,一个基于压力计算的水蒸发UDF程序，请大家探讨一下(boiling udf of costant T and decreasing P)

Routing Protocol for Wireless Sensor Networks

滤波求和方式实现宽带波束形成，从先验概率中采样，计算权重，最小均方误差（MMSE）的算法。( Filtering summation way broadband beamforming, Sampling a priori probability, calculate the weight, Minimum mean square error (MMSE) algorithm.)

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)

拉格朗日插值函数，自己编的，供大家参考学习(Lagrange interpolation function, own, and for reference study)