pysecs.J_cf

pysecs.J_cf(obs_loc: ndarray, sec_loc: ndarray) → ndarray

Calculate the curl free magnetic field transfer function.

The transfer function goes from SEC location to observation location and assumes unit current SECs at the given locations.

Parameters:

• obs_loc (ndarray (nobs, 3 [lat, lon, r])) – The locations of the observation points.

• sec_loc (ndarray (nsec, 3 [lat, lon, r])) – The locations of the SEC points.

Returns:

The J transfer matrix.

Return type:

ndarray (nobs, 3, nsec)