BigNumberPlusMinusMuitiplyDivide

以前用VB6编写的一个计算器，支持常用的数学函数，支持弧度、角度转换，支持简单的函数作图。(A calculator writen by VB6, supports common mathematical functions, support radian, angle conversion, support simple function mapping.)

C++实现的FFT，详细，简单，内含多个测试类(using C++ implements fft，including serials class)

常微分方程数值解法，又是一个数值分析的常用算法(Numerical Solution of ordinary differential equations, numerical analysis is a common algorithm)

适用于大型稀疏矩阵 矩阵转置 c语言 来自于有限元方法编程(From the finite element method suitable for large-scale sparse matrix matrix transpose c language programming)

c/C++跟fortran语言之间的一些转换(c/C fortran language with the conversion between)

数值分析，即计算方法课程中的龙贝格算法源代码。(Numerical analysis, calculation of the Romberg algorithm source code in the methods courses.)

抛物方程是由赫姆霍兹方程推导而来，在计算大区域电磁传播有较大的优势，本程序是二维的情况。(Parabolic equation is derived the Herm Holtz equation, in the calculation of large areas of electromagnetic propagation has a greater advantage, the program is a two-dimensional situation.)

利用贝叶斯分类原理实现多义词的消歧。首先利用训练语料进行训练，然后基于机器已经获取的知识的基础上对生语料进行词义标注。(Realize the principle of the use of Bayesian classification polysemous word sense disambiguation. First of all, the use of training corpus for training, and then the machine has been based on knowledge gained on the basis of corpus for semantic tagging of Health.)

说明：  使用EPTREE可以很好的对，C,C++，Java代码进行解析。绘出函数树图，计算堆栈大小等。 <输出的文件内容> 功能树 INKURUDOFAIRUTSURI 测量若干步骤（有条件汇编） 函数索引（使用堆栈大小为每个功能输出） 使用类名单 全局变量，变结构，对象名单 ＃定义定义列表 清单中所使用 列表名称 信息分布函数的行数(EPTREE can be used for good, C, C++, Java code analysis. Mapping function tree diagram, calculate the stack size. )

对于给定的一组轨迹点，用优化方法实现铰链四杆机构轨迹复演。优化方法为共轭梯度法。(For a set of track points,we use a optimization method to optimize the track of Hinge four-bar mechanism. The optimization method is conjugate gradient.)