The ITU-T(Telecommunication Standardization Sector)is a permanent organ of the International Telecommunication Union(ITU).The ITU-T is responsible fo...
偏微分方程数值解上机实习 运用古典显式差分格式求解二维扩散方程的初边值问题 运用P-R差分格式求解二维扩散方程的初边值问题 运用局部一维格式求解二维扩散方程的初边值问题 给出了源程序，运行结果，以及算法比较...
S变换 C语言程序 由R.G.Stockwell 编写 包含了正反变换 以及希尔伯特变换正反变换...
复数运算#include<iostream.h> class Complex { public: Complex( double r =0, double i =0 ) Complex(int a) { Real = a Image = 0 } void print...
Let the following relational tables be given: R = (A, B, C) and S = (D, E, F) where A, B, C, D, E, and F are the attributes (columns). Write the SQL s...
