将内存的数据通过屏幕进行绘图，主要是折线图，在升级版中可以做各种图形或表格-plot graph on display

机器学习联系EX1 部分代码，matlab实现(%% Machine Learning Online Class - Exercise 1: Linear Regression % Instructions % ------------ % % This file contains code that helps you get started on the % linear exercise. You will need to complete the following