通过对算法抢栖过程进行分析, 提出一种基于压缩矩阵的改进算法。该算法通过压缩矩 阵和减少扫描次数来提高挖掘的速度和减少数据库的操作时间的开稍, 有效提高了关联规则的挖 掘效率。并用实例说明该算法是一种有效的关联规则挖掘方法。-Chilan get through the process of algorithm analysis, a matrix-based compression algorithm improvements. The algorithm by compressing

12864是一种图形点阵液晶显示器,它主要由行驱动器/列驱动器及128×64全点阵液晶显示器组成。可完成图形显示，也可以显示8×4个(16×16点阵)汉字。本文介绍了他基本管脚，操作等信息。-12864 is a dot matrix LCD display, which is mainly composed of the line driver/column driver and 128 × 64 full dot matrix LCD display. Complete graphical

掌握矩阵和数组的一般操作，包括创建、保存、修改和调用等。学习矩阵和数组的加减运算与乘法。掌握对数组中元素的寻访与赋值，会对数组进行一般的操作。 -Master matrix and an array of general operations, including create, save, modify, and recalls. Learning addition and subtraction and multiplication of matrices and arrays. Mas