关于产品关联的协同推荐算法

开始显示速度很慢，要达到5~6秒。开始显示速度很慢，要达到5~6秒。开始显示速度很慢，要达到5~6秒。(Began to show very slow to reach 5 to 6 seconds.Began to show very slow to reach 5 to 6 seconds.Began to show very slow to reach 5 to 6 seconds.)

适用于MSP430F5529，输出两路带死区的互补的SPWM波(It is suitable for MSP430F5529 and outputs two complementary SPWM waves with dead time.)

应用于线性代数计算的小程序，C语言编程。可进行行列式计算、代数余子式值、矩阵的加减乘除、求逆、求秩等计算(Applied linear algebra applets, C language programming. Determinant can be calculated, the value of algebraic, matrix addition and subtraction, multiplication and division, inverse, rank, etc. demand computing)

基于zigbee技术CC2530 开发采集大气压(Development and Collection of Atmospheric Pressure Based on Zigbee Technology CC2530)

使用stm32的串口实现fifo队列缓冲读写数据，值得新手学习((Using STM32 serial port to realize FIFO queue buffer read and write data, it is worth learning by novice.))

仿360界面,winform架构

STM23控制AD9850产生不同频率正弦波(STM23 control AD9850 produce different frequency sine wave)

板波资料和书，里面有瑞利波和lamb波的相关资料(Plate wave data and books)

说明：  通过对三维混沌系统运用迭代算法，生成分离或者不分离，多涡卷混沌吸引子(An iterative algorithm is used to generate discrete or nonseparable multi-vortex-chaotic attractors for a three-dimensional chaotic system)

这个画图程序运用了WinForm和ADO.NET等技术。-This simple drawing program use the technique of WinForm and ADO.NET.