Wolfram Language Paclet Repository
Community-contributed installable additions to the Wolfram Language
Wolfram`TensorNetworks`
TensorNetworkFindContractionPath  |
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is deprecated. New code should call or directly.
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The function issues on every call. The tag is the system-wide , not a symbol-specific message, so suppresses it.
General::deprec
General::deprec
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The default forwards to , matching OptimalContractionPath's own documented default.
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Method values "flops", "max", "size", "write", "combo", and "limit" forward to with that Method. Any other value, including "Greedy", forwards to .
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With "ReturnParameters" -> True the function returns the result of an internal parameter-extraction helper instead of a path. This option is intended for inspecting what the path-finder receives and is not part of the supported public API.
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The following options can be given:
"ReturnParameters"  | False | return the internal parameter-extraction result instead of a path | |
Method | "Optimal" | path-finding backend; "Optimal", "flops", "max", "size", "write", "combo", or "limit" forwards to OptimalContractionPath; any other value forwards to GreedyContractionPath |
Examples
(11)
Basic Examples
(1)
Find an optimized contraction path for a tensor network. TensorNetworkFindContractionPath is deprecated; its call issues General::deprec and forwards to OptimalContractionPath or GreedyContractionPath:
In[1]:=
Holdtn=
["MPS"[10,5,4]]/.Hold[x_]x
 | RandomTensorNetwork |
In[2]:=
 | TensorNetworkFindContractionPath |
Out[2]=
{{1,2},{7,8},{6,8},{5,7},{4,6},{3,5},{2,4},{1,3},{1,2}}
Use greedy optimization:
In[3]:=
| TensorNetworkFindContractionPath |
Out[3]=
{{1,2},{1,9},{1,2},{6,7},{4,5},{3,5},{1,2},{2,3},{1,2}}
Find the optimal path (the default):
In[4]:=
| TensorNetworkFindContractionPath |
Out[4]=
{{1,2},{7,8},{6,8},{5,7},{4,6},{3,5},{2,4},{1,3},{1,2}}
Scope
(4)
Options
(2)
Applications
(2)
Properties & Relations
(2)
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