After developing applications and web pages for a while, I came to a point where I realized a major gap exists in the typical programming paradigm in that visualizing fine-grained color values in code was almost impossible unless you happen to use a

Visual C++ 图形图像编程技巧 设备环境类(CDC） CPaintDC,CClientDC,CWindowDC(构造函数和析构函数不同）,CMetaFileDC-Visual C++ desigen for ST vc++ DIYer

题目是：max f (x1, x2) = 21.5 + x1• sin(4pi*x1) + x2• sin(20pi*x2) s.t. -3.0 < = x1 < = 12.1 4.1 < = x2 < = 5.8- Topic is: max f (x1, x2) = 21.5+ x1 • sin (4pi* x1)+ x2 • sin (20pi* x2) st-3.0 < = x1 < = 12.1 4.1 <