matlab画图的使用方法，简单的画一些图形。-matlab drawing to use a simple painting some of the graphics.

如何用Matlab画图 以西东方向为横轴，以南北方向为纵轴。（选适当的点为原点）将国土最西到最东边界在x轴上的区间划取足够多的分点xi，在每个分点处可测出南北边界点的对应坐标y1 ，y2，-How to use Matlab drawing XiDong direction in the north and south direction for the horizontal axis, for the vertical

matlab画图，教你如何用最简单的方法画一维图像-matlab drawing, teach you how to use the most simple way to draw a one-dimensional image

一个画图程序，教你如何用MATLAB画图，画曲线，曲线的绘制，你懂得-A drawing program, teach you how to use MATLAB drawing, painting curve, plotted, you know