def _calc_g(cosang, stiffness=4, num_lterms=50):
    factors = [(2 * n + 1) / (n ** stiffness * (n + 1) ** stiffness *
                              4 * np.pi) for n in range(1, num_lterms + 1)]
    return legval(cosang, [0] + factors)
Create a new auto-incrementing big integer column on the table.
dataset/ETHPy150Open mne-tools/mne-python/mne/channels/interpolation.py/_calc_g--crossover with--dataset/ETHPy150Open sdispater/orator/orator/schema/blueprint.py/Blueprint.big_increments