matlab使用de casteljau算法绘制贝塞尔曲线，内附五套曲线，也可用鼠标设置坐标生成曲线，动态展示de casteljau运算过程。已调试可直接使用。-Matlab mapping Bessel curve using de Casteljau algorithm, containing five sets of curves, also available mouse to set the coordinate generation curve, dynamic display de Casteljau operation process. Debugging can be used directly.