competitors.py 文件源码

def decoding(self):
        D = self.A_true.shape[1]
        num_doc = self.Y.shape[1]
        Z = np.asmatrix(np.zeros((D, num_doc)))
        A = np.asarray(self.A.copy())
        Y = np.asarray(self.Y.copy())
        for i in range(num_doc):
            Yi = np.array(Y[:, i]).flatten()
            t, bla = nnls(A, Yi)
            Z[:, i] = np.asmatrix(t).transpose()
        Z = np.asmatrix(Z)
        return Z