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Mathematica > Mathematics and Algorithms > Graphs & Networks > Graph Programming > PropertyList >

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BUILT-IN MATHEMATICA SYMBOL

PropertyList

lists the properties available for item in obj.

Properties are used to store and manipulate pairs for specific named items within an object such as Graph.

Get a list of standard properties for a vertex:

For an edge:

Test for the presence of custom properties:

Get a list of standard properties for a vertex:

Out[1]=

Out[2]=

For an edge:

Out[3]=

Test for the presence of custom properties:

Out[1]=

Out[2]=

PropertyList applies to vertices:

And edges:

Use Property as a wrapper to specify properties in functions such as Graph:

Use PropertyValue to extract values:

For undefined properties, the value $Failed is returned:

Use PropertyValue to set properties in a graph:

The original graph has changed:

Use PropertyValue to unset properties in a graph:

The original graph has changed:

Use SetProperty to set the properties in a new graph:

The original graph is unchanged:

Use RemoveProperty to remove a property without changing the original:

The original graph is unchanged: