Incomplete docstring

[Afonso Loureiro]

obspy/obspy/signal/array_analysis.py

Lines 781 to 801 in dfb0213

 def array_transff_freqslowness(coords, slim, sstep, fmin, fmax, fstep, 
                                coordsys='lonlat'): 
     """ 
     Returns array transfer function as a function of slowness difference and 
     frequency. 
  
     :type coords: numpy.ndarray 
     :param coords: coordinates of stations in longitude and latitude in degrees 
         elevation in km, or x, y, z in km 
     :type coordsys: str 
     :param coordsys: valid values: 'lonlat' and 'xy', choose which coordinates 
         to use 
     :param slim: either a float to use symmetric limits for slowness 
         differences or the tupel (sxmin, sxmax, symin, symax) 
     :type fmin: float 
     :param fmin: minimum frequency in signal 
     :type fmax: float 
     :param fmax: maximum frequency in signal 
     :type fstep: float 
     :param fstep: frequency sample distance 
     """ 

No description for sstep is provided

It is also acceptable to provide a Stream instead of a numpy.array with the coordinates.