def calc_hcore_matrix(Tuv_, Vuv_):
    """
    calc_hcore_matrix - Computes the 1 electron core matrix

    Arguments:
        Tuv_: The Kinetic Energy 1e integral matrix
        Vuv_: The Nuclear Repulsion 1e integrals matrix

    Returns:
        h_core: The one electron hamiltonian matrix
    """

    h_core = Tuv_ + Vuv_
    return h_core