docs: def match(self, ra, dec, radius, maxmatch=1):
          """*match a corrdinate set against this Matcher object's coordinate set*
  
          **Key Arguments:**
              - ``ra`` -- list, numpy array or single ra value
              - ``dec`` -- --list, numpy array or single dec value (must match ra array length)
              - ``radius`` -- radius of circle in degrees
              - ``maxmatch`` -- maximum number of matches to return. Set to `0` to match all points. Default *1* (i.e. closest match)
  
          **Return:**
              - None
  
          **Usage:**
  
              Once we have initialised a Matcher coordinateSet object we can match other coordinate sets against it:
  
              .. code-block:: python
  
                  twoArcsec = 2.0 / 3600.
                  raList2 = [200.0, 200.0, 200.0, 175.23, 55.25]
                  decList2 = [24.3 + 0.75 * twoArcsec, 24.3 + 0.25 * twoArcsec,
                      24.3 - 0.33 * twoArcsec, -28.25 + 0.58 * twoArcsec, 75.22]
  
                  matchIndices1, matchIndices2, seps = coordinateSet.match(
                      ra=raList2,
                      dec=decList2,
                      radius=twoArcsec,
                      maxmatch=0
                  )
  
                  for m1, m2, s in zip(matchIndices1, matchIndices2, seps):
                      print raList1[m1], decList1[m1], " -> ", s * 3600., " arcsec -> ", raList2[m2], decList2[m2]
  
              Or to return just the nearest matches:
  
              .. code-block:: python
  
                  matchIndices1, matchIndices2, seps = coordinateSet.match(
                      ra=raList2,
                      dec=decList2,
                      radius=twoArcsec,
                      maxmatch=1
                  )
  
              Note from the print statement, you can index the arrays ``raList1``, ``decList1`` with the ``matchIndices1`` array values and  ``raList2``, ``decList2`` with the ``matchIndices2`` values.
          """
  
          if self.convertToArray == True:
              from astrocalc.coords import coordinates_to_array
              ra, dec = coordinates_to_array(
                  log=self.log,
                  ra=ra,
                  dec=dec
              )
  
          radius = numpy.array(radius, dtype='f8', ndmin=1, copy=False)
  
          if ra.size != dec.size:
              raise ValueError("ra size (%d) != "
                               "dec size (%d)" % (ra.size, dec.size))
  
          if radius.size != 1 and radius.size != ra.size:
              raise ValueError("radius size (%d) != 1 and"
                               " != ra,dec size (%d)" % (radius.size, ra.size))
  
          return super(Matcher, self).match(ra, dec, radius, maxmatch, False)