1.  NAME

  cmpnav - Compare ship velocities

  2.  SYNOPSIS

  cmpnav(raw, sm, plot_title, year_base, n )

  3.  DESCRIPTION

  This Matlab function generates plots of compared ship velocities. The
  of input files must be the one used by putnav, i.e. ASCII data with
  the following columns:

  1. Time in decimal days

  2. Not used

  3. Not used

  4. U ship in m/s

  5. V ship in m/s

  6. Latitude in degree

  7. Longitude in degree

  4.  PARAMETERS

     raw
        Name of file containing raw ship velocity data.

     sm Name of file containing smoothed ship velocity data.

     plot_title
        Title for plot.

     year_base optional
        Base year to print together with the x-label.

     n optional
        Number of points per plots (default is 50).

  5.  RETURNS

  This function does not return anything.

  6.  AUTHORS

  Pierre Jaccard, Geophysical Institute, University of Bergen, 1999