用matlab实现了五类灰色关联度模型的计算，包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度、T关联度。附带两个测试用数据列的生成函数。-Matlab achieved with five gray correlation model calculation, including the Tang correlation degree, the absolute correlation, the slope of correla