Function File: tics (axis, [pos1, pos2, ...], [lab1, lab2, ...],)

Explicitly set the tic positions and labels for the given axis.

axis must be 'x', 'y' or 'z'.

If no positions or labels are given, then restore the default. If positions are given but no labels, use those positions with the normal labels. If positions and labels are given, each position labeled with the corresponding row from the label matrix.