在剧情中，圆锥图是一个 3d 版的 2D 颤图。3d 向量代表向量的方向和范数。 三维坐标是定义矢量坐标的 X、Y 和 Z ...

Learn how to use Python, R, or JavaScript to create 3D graphics for data ... Matplotlib is a low-level library that provides basic 3D plotting functions, such as ... mesh3d, and cone plots.