Hexo

哪些是动态图？现实中有哪些例子？

tensorflow是怎样解决动态图问题的？

动态图示例：

• pytorch示例：
  http://pytorch.org/tutorials/beginner/pytorch_with_examples.html#pytorch-control-flow-weight-sharing

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• In PyTorch, each forward pass defines a new computational graph.

• A graph contains enough information to compute derivatives

• 每次forward定义一个graph

• backward都要重新build graph，

pytorch在什么阶段build的graph？应该是在backward阶段吧，求导阶段意味着graph完成了。a graph contains enough information to compute derivatives.

http://pytorch.org/tutorials/beginner/pytorch_with_examples.html#tensorflow-static-graphs