interpolator.py 文件源码

def nearest_neighbours(self, point, n):
        """
        Return the indices of the n nearest neighbours to the point.
        """

        stellar_parameters = _recarray_to_array(self.stellar_parameters)
        distances = np.sum(((point - stellar_parameters) \
            / np.ptp(stellar_parameters, axis=0))**2, axis=1)
        return distances.argsort()[:n]