Changes between Initial Version and Version 1 of Ticket #23139, comment 59
- Timestamp:
- 08/06/17 00:16:08 (2 years ago)
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Ticket #23139, comment 59
initial v1 1 I changed __init__()so the empty graphic matroid will have a single vertex for its graph. This eliminates the need to test for empty graphs from the extension and coextension methods, and it solves the problem of not being able to extend and coextend in an empty matroid.1 I changed `__init__()` so the empty graphic matroid will have a single vertex for its graph. This eliminates the need to test for empty graphs from the extension and coextension methods, and it solves the problem of not being able to extend and coextend in an empty matroid.