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Python RBM.train_CD方法代碼示例

本文整理匯總了Python中rbm.RBM.train_CD方法的典型用法代碼示例。如果您正苦於以下問題:Python RBM.train_CD方法的具體用法?Python RBM.train_CD怎麽用?Python RBM.train_CD使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在rbm.RBM的用法示例。


在下文中一共展示了RBM.train_CD方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: pretrainRBM

# 需要導入模塊: from rbm import RBM [as 別名]
# 或者: from rbm.RBM import train_CD [as 別名]
    def pretrainRBM(self,trainset):
        trainv = np.mat(trainset[1])   # 1xn
        vlen = trainv.shape[1]
        trainnum = len(trainset)
        hlen = 500
        weights = []
        print "vlen = %d" %(vlen)
        print "Trainnum = %d" %(trainnum)
        for i in range(self.nlayers):
            rbm = RBM(vlen,hlen)
            T,e = 3,0.05
            if i == 0:
                traindata = trainset
            else:
                traindata = outdata
            outdata = np.zeros((trainnum,hlen))
            for j in range(trainnum):
                print "layer:%d CD sample %d..." %(i,j)
                trainv = np.mat(traindata[j])
                rbm.train_CD(trainv,T,e)
                outdata[j] = np.mat(rbm.sample(rbm.calc_forward(trainv)))   # 1xhlen
            self.rbm_layers.append(rbm)
            weights.append(rbm.W)
            vlen = hlen
#            hlen -= 100
        dump_data("data/dbn.pkl",weights)
        print "========= pretrainRBM complete ==========="
開發者ID:fanfannothing,項目名稱:MyDBN,代碼行數:29,代碼來源:dbn.py


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