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select(ZZ,BasicList,Function) -- select a limited number of elements from a list

Function: select
Usage:

select(n,v,f)
Inputs:
- n, an integer
- v, a basic list
- f, a function, returning either true or false
Outputs:
- a basic list, a list containing at most n elements of the list v that yield true when the function f is applied.

Description

The order of the elements in the result will be the same as in the original list v.

i1 : select(4,0..10,even)

o1 = (0, 2, 4, 6)

o1 : Sequence

See also

select(BasicList,Function) -- select elements from a list
partition -- partition a set or list by values of a function

Ways to use this method:

select(ZZ,BasicList,Function) -- select a limited number of elements from a list

The source of this document is in Macaulay2Doc/functions/select-doc.m2:130:0.