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strands(List) -- strand span of degree sequence

Function: strands
Usage:

strands D
Inputs:
- D, a list, a sequence of integers, called a degree sequence
Outputs:
- an integer, strand span

Description

This is one less than the number of strands of D. Note that some of the strands can be empty.

i1 : D = {2,3,5, 9,10,11}

o1 = {2, 3, 5, 9, 10, 11}

o1 : List

i2 : strands(D)

o2 = 4

See also

strandsL -- strand span as a subset of [0,n]

Ways to use this method:

strands(List) -- strand span of degree sequence

The source of this document is in Triplets.m2:747:0.