比较初级的绘图程序，可以绘制正玄图，其中有用到坐标转换的，即屏幕坐标和所建直角坐标间的转换。-Comparison of elementary drawing program, you can draw is mysterious figure, in which useful to coordinate transformation, that is, the screen coordinates and the construction of the conversion between r

matlab 绘制极坐标图 绘制直角坐标图-matlab matlab matlab matlab