CONAN.models.para_minfuncRV
===========================

.. py:function:: CONAN.models.para_minfuncRV(icoeff, ivars, mod_RV, RVdata)

   least square fit to the baseline after subtracting model RV mod_RV

   :param icoeff: the coefficients of the parametric polynomial
   :type icoeff: iterable
   :param ivars: the indices of the coefficients to be fitted
   :type ivars: iterable
   :param mod_RV: planet RV model
   :type mod_RV: array
   :param RVdata: data for this RV
   :type RVdata: dict

   :returns: residual of the fit
   :rtype: residual