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2-Day7.md

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第七次课

  • numpy

    • zeros(shape dtype=float, order='c') #order='c'表示行方向

    • 改变数组形状

      image-20200401134836544

      • 堆叠

        image-20200401135129925

  • CNN & RNN 激活函数,网络等

  • numpy来表示激活函数,并修改

    • relu
    • relu的光滑版本softmax
    • softsign
    • tanh
    • tanh 的不光滑版本hard tanh
  • https://playground.tensorflow.org/

  • 梯度下降

  • 数值计算

  • tensor