def _breakdown_point(n_samples, n_subsamples):
 return (1 - (((((0.5 ** (1 / n_subsamples)) * ((n_samples - n_subsamples) + 1)) + n_subsamples) - 1) / n_samples))

def _breakdown_point ( n_samples , n_subsamples ) : return ( 1 - ( ( ( ( ( 0.5 ** ( 1 / n_subsamples ) ) * ( ( n_samples - n_subsamples ) + 1 ) ) + n_subsamples ) - 1 ) / n_samples ) )
approximation of the breakdown point .