Version 1.3 (9 October 2017)
Coordinate transformations (ECEF reference frame)
xyz2plh - Cartesian Coordinates to Ellipsoidal coordinates
plh2xyz - Ellipsoidal coordinates to Cartesian Coordinates
inqell - Semi-major axis, flattening and GM for various ellipsoids
plh2str - Phi,lambda,h to a string with dd mm ss.ssss notation
str2plh - Reads Phi, lambda and h from a string
xyz2neu - North, East, Up (dN, dE, dU) to Cartesian delta's (dX, dY, dZ)
neu2xyz - Cartesian delta's (dX, dY, dZ) to North, East, Up (dN, dE, dU)
plh2neu - Ellipsoidal (Lat,Lon,Hgt) to North,East,Up (dN, dE, dU)
xyz2zas - Cartesian coordinates to Zenith angle, azimuth and distance
zas2xyz - Zenith angle, azimuth and distance to cartesian coordinates
Time conversions (with Matlab date numbers)
date2mjd - Matlab date to Modified Julian Date
mjd2date - Modified Julian Date to Matlab date number
date2gps - Matlab date to GPS second of week and GPS week
gps2date - GPS second of week and GPS week to Matlab date number
date2dyear - Matlab date to decimal year
dyear2date - decimal year to Matlab date number
Time conversions (other/legacy functions)
ymd2mjd - [year month day] to Modified_Julian_Date
mjd2ymd - Modified_Julian_Date to [year month day]
gps2mjd - [GPSweek GPSsecond_in_week] to Modified_Julian_Date
mjd2gps - Modified_Julian_Date to [GPSweek GPSsecond_in_week]
ymd2dyear - [year month day hour min sec] to decimal year
dyear2ymd - decimal year to [year month day hour min sec]
hms2sec - [hour minute second] to second_in_day
sec2hms - second_in_day to [hour minute second]
hms2str - [hour minute second] to string with 'hh:mm:ss.sss'
str2hms - string with 'hh:mm:ss.sss' to [hour minute second]
gps2str - GPSsecond_in_week to string with 'dd-mon-yy hh:mm:ss.sss'
str2gps - string with 'dd-mmm-yy hh:mm:ss.sss' to GPSsecond_in_week
sec2str - Second_in_day to string with 'hh:mm:ss.sss'
str2sec - string with 'hh:mm:ss.sss' to second_in_day
ymd2str - [year month day ] to string with 'dd-mmm-yy'
str2ymd - string with 'dd-mmm-yy' or 'dd-mm-yy' to [year month day]
gpsdate - prints the GPS week number, second in the week and day of year
UT1 to GMST, and ECI/ECEF, conversions
ut2gmst - Compute Greenwich Mean Siderial Time from UT1
ecef2eci - Convert position and velocity from ECEF to ECI reference frame
eci2ecef - Convert position and velocity from ECI to ECEF reference frame
Keplerian elements
vec2orb - Convert inertial state vector into Keplerian elements
orb2vec - Convert Keplerian elements into inertial state vector
kepler - Compute mean anomaly from eccentric anomaly (Kepler's equation)
keplernu - Compute mean anomaly from true anomaly (Kepler's equation)
keplerm - Compute eccentric/true from mean anomaly solving Kepler's eqn
Miscellaneous
prtcrd - Print table with coordinates and optional co-variances
covreformat - Reformat a co-variance matrix
(c) Hans van der Marel, Delft University of Technology, 1995-2017.