# cmpnav

##

Last updated Sat Sep 18 21:04:41 1999

Compare ship velocities

## 1. SYNOPSIS

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

## 2. 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

## 3. 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).

## 4. RETURNS

This function does not return anything.

## 5. AUTHORS

Pierre Jaccard, Geophysical Institute, University of Bergen, 1999