输入参数即可获得相应的饼图和柱形图。如：别克，丰田，捷达 会出现比例大小的图-Get input parameters corresponding pie and bar graph. Such as : Buick, Toyota, the Jetta will map the size ratio

交互式的matlab plot绘图工具,绘制二维三维图形.-QPLOT interactive ploting program Qplot opens a standadr MATLAB figure with three options added to the menu bar: Qfile, Qoptions and Qgraph. Under Qfile you can read data files (text or Excel). Under Qoptions you can