python-igraph API reference

List of all classes, functions and methods in python-igraph

igraph .operators .methods

module documentation

Undocumented

Function __add__ Copies the graph and extends the copy depending on the type of the other object given.
Function __and__ Graph intersection operator.
Function __iadd__ In-place addition (disjoint union).
Function __isub__ In-place subtraction (difference).
Function __mul__ Copies exact replicas of the original graph an arbitrary number of times.
Function __or__ Graph union operator.
Function __sub__ Removes the given object(s) from the graph
Function _disjoint_union Creates the disjoint union of two (or more) graphs.
Function _intersection Creates the intersection of two (or more) graphs.
Function _union Creates the union of two (or more) graphs.
def __add__(graph, other):

Copies the graph and extends the copy depending on the type of the other object given.

Parameters
graph Undocumented
other if it is an integer, the copy is extended by the given number of vertices. If it is a string, the copy is extended by a single vertex whose name attribute will be equal to the given string. If it is a tuple with two elements, the copy is extended by a single edge. If it is a list of tuples, the copy is extended by multiple edges. If it is a Graph , a disjoint union is performed.
def __and__(graph, other):

Graph intersection operator.

Parameters
graph Undocumented
other the other graph to take the intersection with.
Returns
the intersected graph.
def __iadd__(graph, other):

In-place addition (disjoint union).

See Also
__add__
def __isub__(graph, other):

In-place subtraction (difference).

See Also
__sub__
def __mul__(graph, other):

Copies exact replicas of the original graph an arbitrary number of times.

Parameters
graph Undocumented
other if it is an integer, multiplies the graph by creating the given number of identical copies and taking the disjoint union of them.
def __or__(graph, other):

Graph union operator.

Parameters
graph Undocumented
other the other graph to take the union with.
Returns
the union graph.
def __sub__(graph, other):

Removes the given object(s) from the graph

Parameters
graph Undocumented
other if it is an integer, removes the vertex with the given ID from the graph (note that the remaining vertices will get re-indexed!). If it is a tuple, removes the given edge. If it is a graph, takes the difference of the two graphs. Accepts lists of integers or lists of tuples as well, but they can't be mixed! Also accepts Edge and EdgeSeq objects.
def _disjoint_union(graph, other):

Creates the disjoint union of two (or more) graphs.

Parameters
graph Undocumented
other graph or list of graphs to be united with the current one.
Returns
the disjoint union graph
def _intersection(graph, other, byname='auto'):

Creates the intersection of two (or more) graphs.

Parameters
graph Undocumented
other graph or list of graphs to be intersected with the current one.
byname whether to use vertex names instead of ids. See igraph.operators.intersection for details.
Returns
the intersection graph
def _union(graph, other, byname='auto'):

Creates the union of two (or more) graphs.

Parameters
graph Undocumented
other graph or list of graphs to be united with the current one.
byname whether to use vertex names instead of ids. See igraph.operators.union for details.
Returns
the union graph

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