matroid-props | R Documentation |
get some important boolean properties of a matrix, see Matroid - Wikipedia for the definitions.
## S3 method for class 'matroid'
is_simple( x )
## S3 method for class 'matroid'
is_uniform( x )
## S3 method for class 'matroid'
is_paving( x )
x |
a matroid object, as returned from the constructor |
is_simple()
returns a logical.
A matroid is simple iff it has no loops and no multiple groups.
is_uniform()
returns a logical.
A matroid is uniform iff all the hyperplanes have the same size,
which is the rank-1.
is_paving()
returns a logical.
For the definition of paving see Paving Matroid - Wikipedia.
This property is important because the hyperplane axioms
are fairly easy to check.
Matroid - Wikipedia. https://en.wikipedia.org/w/index.php?title=Matroid&oldid=1086234057
Paving Matroid - Wikipedia. https://en.wikipedia.org/w/index.php?title=Paving_matroid&oldid=1021966244
matroid()
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