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HyperplaneArrangements :: flats

flats -- list the flats of an arrangement of given rank

Synopsis

Description

If the rank is omitted, the flats of each rank are listed.
i1 : A := typeA(3)

o1 = {x  - x , x  - x , x  - x , x  - x , x  - x , x  - x }
       1    2   1    3   1    4   2    3   2    4   3    4

o1 : Hyperplane Arrangement 
i2 : flats(2,A)

o2 = {{0, 1, 3}, {0, 2, 4}, {0, 5}, {1, 4}, {1, 2, 5}, {2, 3}, {3, 4, 5}}

o2 : List

See also

Ways to use flats :

For the programmer

The object flats is a method function.