MATLAB sphere()用法及代码示例

sphere // It generates a sphere consisting of 20-by-20 faces.
sphere(n) // It draws a surf plot of an n-by-n sphere in the current figure.
[X,Y, Z] = sphere(...) // It returns the coordinates of a sphere in three matrices that are (n+1)-by-(n+1) in size.

sphere(20)
axis('square')
or
[x,y,z]=sphere(20);
surf(x, y, z)
axis('square')