rotate(h,direction,alpha) -rotate object about specified origin and direction.
rotate(...,origin) - specifies the origin of the axis of rotation as a three-element vector [x0,y0,z0].
So, make a new 3D vector to define the origin. Then add it as the fourth input parameter.
hSurface = surf(peaks(10));
direction = [1 2 3];
origin = [0 0 0]; %set origin of axis of rotation to plot origin instead of the center of object
rotate(hSurface,direction,20,origin); %add the vector to the parameters
You can use this reference for further details:
