code.py 文件源码

def nmf(fdoc, fvocab):
    T = 100

    nmf = NMF(fdoc, fvocab)
    nmf.train(T)
    nmf.get_words()
    # print(mf.R)

    plt.figure()
    plt.plot(range(1,T+1),nmf.objective)
    plt.xticks(np.linspace(1,T,10))
    plt.xlabel('Iterations')
    plt.ylabel('Objective')
    plt.title('Variation of objective with iterations')
    plt.savefig('hw5_2a.png')
    plt.show()