Python idzp_id 예제들

예제 #1

파일: _interpolative_backend.py 프로젝트: beiko-lab/gengis

def idzp_id(eps, A):
    """
    Compute ID of a complex matrix to a specified relative precision.

    :param eps:
        Relative precision.
    :type eps: float
    :param A:
        Matrix.
    :type A: :class:`numpy.ndarray`

    :return:
        Rank of ID.
    :rtype: int
    :return:
        Column index array.
    :rtype: :class:`numpy.ndarray`
    :return:
        Interpolation coefficients.
    :rtype: :class:`numpy.ndarray`
    """
    A = np.asfortranarray(A)
    k, idx, rnorms = _id.idzp_id(eps, A)
    n = A.shape[1]
    proj = A.T.ravel()[:k*(n-k)].reshape((k, n-k), order='F')
    return k, idx, proj

예제 #2

def idzp_id(eps, A):
    """
    Compute ID of a complex matrix to a specified relative precision.

    :param eps:
        Relative precision.
    :type eps: float
    :param A:
        Matrix.
    :type A: :class:`numpy.ndarray`

    :return:
        Rank of ID.
    :rtype: int
    :return:
        Column index array.
    :rtype: :class:`numpy.ndarray`
    :return:
        Interpolation coefficients.
    :rtype: :class:`numpy.ndarray`
    """
    A = _asfortranarray_copy(A)
    k, idx, rnorms = _id.idzp_id(eps, A)
    n = A.shape[1]
    proj = A.T.ravel()[:k*(n-k)].reshape((k, n-k), order='F')
    return k, idx, proj