def cnmf(S, rank, niter=500, hull=False):
    """(Convex) Non-Negative Matrix Factorization.

    Parameters
    ----------
    S: np.array(p, N)
        Features matrix. p row features and N column observations.
    rank: int
        Rank of decomposition
    niter: int
        Number of iterations to be used

    Returns
    -------
    F: np.array
        Cluster matrix (decomposed matrix)
    G: np.array
        Activation matrix (decomposed matrix)
        (s.t. S ~= F * G)
    """
    if hull:
        nmf_mdl = pymf.CHNMF(S, num_bases=rank)
    else:
        nmf_mdl = pymf.CNMF(S, num_bases=rank)
    nmf_mdl.factorize(niter=niter)
    F = np.asarray(nmf_mdl.W)
    G = np.asarray(nmf_mdl.H)
    return F, G
def cnmf(S, rank, niter=500, hull=False):
    """(Convex) Non-Negative Matrix Factorization.

    Parameters
    ----------
    S: np.array(p, N)
        Features matrix. p row features and N column observations.
    rank: int
        Rank of decomposition
    niter: int
        Number of iterations to be used

    Returns
    -------
    F: np.array
        Cluster matrix (decomposed matrix)
    G: np.array
        Activation matrix (decomposed matrix)
        (s.t. S ~= F * G)
    """
    if hull:
        nmf_mdl = pymf.CHNMF(S, num_bases=rank)
    else:
        nmf_mdl = pymf.CNMF(S, num_bases=rank)
    nmf_mdl.factorize(niter=niter)
    F = np.asarray(nmf_mdl.W)
    G = np.asarray(nmf_mdl.H)
    return F, G
def cnmf ( S , rank , niter = 500 , hull = False ) : if hull : nmf_mdl = pymf . CHNMF ( S , num_bases = rank ) else : nmf_mdl = pymf . CNMF ( S , num_bases = rank ) nmf_mdl . factorize ( niter = niter ) F = np . asarray ( nmf_mdl . W ) G = np . asarray ( nmf_mdl . H ) return F , G
(Convex) Non-Negative Matrix Factorization.

    Parameters
    ----------
    S: np.array(p, N)
        Features matrix. p row features and N column observations.
    rank: int
        Rank of decomposition
    niter: int
        Number of iterations to be used

    Returns
    -------
    F: np.array
        Cluster matrix (decomposed matrix)
    G: np.array
        Activation matrix (decomposed matrix)
        (s.t. S ~= F * G)
( Convex ) Non - Negative Matrix Factorization .