N_feed_back

用C++编写的一维和二维快速傅里叶变换程序(Prepared with C++ one-dimensional and two-dimensional fast Fourier transform procedure)

用于测试hadoop的mapreduce功能，功能与自带的wordcount程序大相径庭。(Use to test the mapreduce function of hadoop,this program was seem to the origin program.)

数值分析里面的：不动点迭代法、牛顿迭代法、共轭梯度法和最速下降法(Conjugate Gradient)

用有限差分方法求解波动方程，画出波场快照，模拟波在地下传播！(The wave equation by finite difference method, draw the wave field snapshot, simulate wave propagation in the underground!)

Fortran算法集徐士良版，数值模拟，矩阵运算、线性方程求解、非线性方程求解、插值、数值积分(Fortran algorithm set Xu tillian version, numerical simulation, calculation of matrix, linear equations, nonlinear equations, interpolation, numerical integration)

王兆华关于apFFT原理的一篇文章，写的很简单明了，方便大家更好理解全相位FFT(WangZhaoHua about apFFT principle of an article, written in very simple and clear, facilitate everybody better understand all phase FFT )

QT编写功能及界面，实现功能：加、减、乘、除、连加、连减、连乘、连除、加减乘除混合运算、除零报错等功能，代码简单清晰，适用于刚刚接触QT的人(QT write functions and interface functionality: add, subtract, multiply, divide, even increase, even less, and even multiply, even in addition, subtraction, multiplication and division mixed operations, in addition to the zero error function, the code is simple and clear, suitable for just contact The QT)

用fortran编写重力正演及最小二乘反演程序(fortran prepared gravity forward and inversion procedure)

abaqus drucker-prager UMAT字程序(abaqus drucker-prager UMAT subroutine)

maple学习资料，以后学习maple就不用担心了(maple learning materials)