此函数通过两点的大地经纬度（Ja,Wa）和（Jb,Wb）计算两点间距离 Dis -this function through the 2:00 and Geodesy (Ja, Wa) and ( `, mg) calculated the distance between two points Dis

这是用于线性方程组求解的ILUK预处理算法的实现。在VC++编译通过。矩阵采用压缩稀疏行格式存储（CSR），采用如下结构存储：struct Distmatrix {double **ma int **ja,dimension,*nnzrow } 很容易移植到自己定义数值计算软件包中。经本人测试计算效率比Fortran写的高很多（比如与Sparskit2比较）。-This is used for solving linear equations ILUK preconditioning algor

Java Shannon Fano Algorithm , encryption and decryption. CitireBit.java read bit by bit from text/bmp file Compara.java compares 2 bits In.txt it s the in file for the interface and algorithm Interfata.java it s the interface file Nod.java