matlab中的mesh()函数和meshgrid()函数

mesh: https://blog.csdn.net/kobesdu/article/details/8640648 https://blog.csdn.net/Zz501306162/article/details/54287593 (mesh+meshgrid) meshgrid: https://blog.csdn.net/hhhhhyyyyy8/article/details/76209094 mesh可以绘制三维图像。