Java程序求解qruadratic方程

VC编译出错的问题解决方法。比如：LNK2001解决外部符号错误，链接错误unresolved external symbol _main的解决-VC compiler error problem solution. For example: LNK2001 resolve external symbols error, link error unresolved external symbol _main solution

说明：  g7221c的编解码库可以用来编解码，好用(g7221c decode and encode sample)

RUBY的参考手册~~ RUBY的参考手册~~RUBY的参考手册-RUBY reference manual of RUBY ~ ~ reference manual RUBY reference manual RUB ~ ~ Y reference manual

使用高阶累积量对MPSK信号进行调制识别，微分方程组数值解方法，分数阶傅里叶变换计算方面。( Using high-order cumulants of MPSK signal modulation recognition, Numerical solution of differential equations method, Fractional Fourier transform computing.)

浏览器插件，自动刷图，一键秒杀lololol(Browser plug-in, automatic brush, one-click seconds to kill lololol)

Windows套接字 一些API函数的使用-Windows Sockets API functions of some use

chilkat for java library network spider

卡尔曼滤波估算SOC，可以实现仿真，可以自己修改(Estimation of SOC by Kalman filter)

说明：  AT80S52 4-bit lcd1602 interface