6楼: Originally posted by baobiao007 at 2012-09-18 14:39:58
楼主可运行下面这段简单的程序里理解，这里是根据11个正弦函数值来插出
更密集的正弦函数：

     x = 0:10;  y = sin(x);
        xx = 0:.25:10;
        yy = spline(x,y,xx);
        plot(x,y,'o',xx,yy)

3楼: Originally posted by case2046 at 2012-09-15 09:22:03
数据都有了，为什么不用origin画，origin画图多轻松啊