PartLayer

PartLayer[i] represents a net layer that gives the ith part of the input.

PartLayer[i;;j] gives parts i through j.

PartLayer[i;;j;;k] gives parts i through j in steps of k.

PartLayer[{spec1,spec2,…}] takes part speci at level i in the input.

Examples

Extract the second element from input:

PartLayer[2]

Extract elements 2 through 4:

PartLayer[2;;4]

Please visit the official Wolfram Language Reference for more details.