import numpy as np


def is_positive_semi_definite(R):
    if not isinstance(R, (np.ndarray, np.generic)):
        raise ValueError('Encountered an error while checking if the matrix is positive semi definite. \
            Expected a numpy array, instead got : {}'.format(R))
    return np.all(np.linalg.eigvals(R) > 0)

import numpy as np


def is_positive_semi_definite(R):
    if not isinstance(R, (np.ndarray, np.generic)):
        raise ValueError('Encountered an error while checking if the matrix is positive semi definite. \
            Expected a numpy array, instead got : {}'.format(R))
    return np.all(np.linalg.eigvals(R) > 0)
