一元一阶灰色系统,作为灰色系统的典型代表，用于少数据预测，本程序严格按照教科书上的步骤进行编写，适合新学者研究-A dollar a gray-order system, as a typical representative of the gray system for less data to predict, in strict accordance with the steps of the procedure for the preparation of textbooks for t