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*********************************
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Version 1.4 notes and API changes
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*********************************
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We have made some API changes, detailed below, to add clarity.
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This page reflects changes from networkx-1.3 to networkx-1.4.
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For changes from earlier versions to networkx-1.0 see 
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:doc:`Version 1.0 API changes <api_1.0>`.
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Please send comments and questions to the networkx-discuss mailing list:
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http://groups.google.com/group/networkx-discuss .
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Algorithms changed
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==================
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Shortest path
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-------------
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astar_path(), astar_path_length(), shortest_path(), shortest_path_length(),
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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bidirectional_shortest_path(), dijkstra_path(), dijkstra_path_length(),
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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bidirectional_dijkstra()
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^^^^^^^^^^^^^^^^^^^^^^^^
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   These algorithms now raise an exception when a source and a target are
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   specified and no path exist between these two nodes. The exception is
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   a NetworkXNoPath exception.
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