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Hanjun-Dai / graph_comb_opt

Implementation of "Learning Combinatorial Optimization Algorithms over Graphs"
https://arxiv.org/abs/1704.01665
MIT License
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understanding variable names #1

Closed PhilippLee closed 7 years ago

PhilippLee commented 7 years ago

In code/s2v_mvc/mvc_lib/src/lib/qnet.cpp, line 66, what is the "aux_input" used to do? And in code/s2v_mvc/mvc_lib/include/config.h, what are "cfg::reg_hidden" and "cfg::aux_dim" used to indicate?

Hanjun-Dai commented 7 years ago

aux_input: one can add some auxiliary information to the node representation. For example, in MVC, one can add the degree of node as auxiliary information.

cfg::aux_dim: global variable. This tells the dimensionality of auxiliary information.

cfg::reg_hidden: if it is not zero, then the Q function is computed via a 2-layer NN on top of the graph embedding, where reg_hidden equals to dimension of hidden layer; if it is zero, then the linear regression is used.

Hanjun-Dai commented 7 years ago

Feel free to reopen the issue if you have further questions on this topic.