pllab(xlbl,ylbl,toplbl); xlbl (char *, input) Pointer to string with label for the X-axis (bottom of graph). ylbl (char *, input) Pointer to string with label for the Y-axis (left of graph). toplbl (char *, input) Pointer to string with label for the plot (top of picture).
More complex labels can be drawn using the function rouplmtex.
See also Section on page
for information about the function plptex which
writes labels within a graph.