NPSVM-dual(Nonparallel-SVM)

含约束的优化问题求解案例，算法简单，求解很方便实用(Constrained optimization problem solving case, the algorithm is simple, easy to solve, practical)

pipelined algorithm implementation in a cluster of personal computers with ANSI C of Eratoshenis sieve problem (prime mumbers)

用基于拉格朗日函数Hesse矩阵的SQP方法求解约束优化问题(Based on Lagrangian with SQP Hesse matrix method for solving constrained optimization problems)

cpsd 单独子函数，可编译后直接应用于自己的程序，方便快捷，使用fftw库(cpsd separate sub-functions can be applied directly after compiling its own procedures, convenient use fftw library)

计算多边形(凸凹)面积。 欢迎批评指正(Calculating polygon (convex and concave) area. Welcome criticism)

最优解回溯法0-1问题，为了构造最优解，必须在算法中记录与当前最优值相应的当前最优解。(The optimal solution backtracking 0-1 must be recorded in the algorithm, in order to construct the optimal solution, corresponding to the current optimal value, the current optimal solution.)

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)

TDMA solver for tridiagonal matrix

这是一个小型计算器，功能强大，用户输入想要计算的数据，即可自行计算出结果。(This is a program about calculator,and it is very userful.)

说明：  基于CORDIC算法计算反正切函数。输入横坐标纵坐标及迭代次数，输出角度及弧度值；附CORDIC英文文档说明(atan function based in CORDIC algorithm)