NetTake

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`NetTake`

[Experimental]

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NetTake[net,end]

takes only those layers up to end in a NetChain or NetGraph.

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NetTake[net,{start,end}]

takes only those layers between start and end in a NetChain or NetGraph.

Details

The following forms can be used for start and end:

	n,"layer"	a specified layer
	NetPort[{layer,"port"}]	the specified input or output port of a layer
	NetPort["port"]	an input or output port of the entire graph
	All	all of the inputs or outputs of the graph
	{spec₁,spec₂,…}	the union of the spec_i

NetTake[net,spec,"port₁"->spec₁,…] can be used to give types for the input and/or output of the resulting NetChain or NetGraph, using the normal type specifications those functions allow. The new port specifications will replace any existing NetEncoder, NetDecoder or type.

Examples

open allclose all

Basic Examples (2)Summary of the most common use cases

Take the first two layers of a chain:

In[1]:=1

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https://wolfram.com/xid/0en00vc1c-zc962y

Out[1]=1

In[2]:=2

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https://wolfram.com/xid/0en00vc1c-v0iwu1

Out[2]=2

Take layers 2 through 4:

In[3]:=3

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https://wolfram.com/xid/0en00vc1c-m48bwh

Out[3]=3

Create a net with two outputs:

In[1]:=1

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https://wolfram.com/xid/0en00vc1c-vyawke

Out[1]=1

Use NetTake to obtain a subnet that computes only one of the outputs:

In[2]:=2

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https://wolfram.com/xid/0en00vc1c-hppyoh

Out[2]=2

In[3]:=3

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https://wolfram.com/xid/0en00vc1c-86z31g

Out[3]=3

Scope (1)Survey of the scope of standard use cases

Add a new NetDecoder while taking layers:

In[1]:=1

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https://wolfram.com/xid/0en00vc1c-e5lxbw

Out[1]=1

In[2]:=2

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https://wolfram.com/xid/0en00vc1c-gn5kni

Out[2]=2

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