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Table 2 Definitions of the actions available to the agent

From: Deep Q-network to produce polarization-independent perfect solar absorbers: a statistical report

Action no. Action definition
0 Decrease the spacing between cylinders by 10 nm.
1 Increase the spacing between cylinders by 10 nm.
2 Decrease the height of the cylinder by 10 nm.
3 Increase the height of the cylinder by 10 nm.
4 Decrease the diameter of the cylinders by 10 nm.
5 Increase the diameter of the cylinders by 10 nm.
6 Decrease the thickness of film #1 by 10 nm.
7 Increase the thickness of film #1 by 10 nm.
8 Decrease the thickness of film #2 by 10 nm.
9 Increase the thickness of film #2 by 10 nm.
10 Decrease the material ID of cylinders by 1.
11 Increase the material ID of cylinders by 1.
12 Decrease the material ID of the film #1 by 1.
13 Increase the material ID of the film #1 by 1.
14 Decrease the material ID of the film #2 by 1.
15 Increase the material ID of the film #2 by 1.