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isSubset(CCi,CCi) -- subset test for intervals

Function: isSubset
Usage:

x = isSubset(I,J)
Inputs:
- I, a complex interval,
- J, a complex interval,
Outputs:
- x, a Boolean value,

Description

Returns true if interval I is a subset of interval J.

i1 : isSubset(interval(2,3),interval(1,4))

o1 = true

i2 : isSubset(interval(1,3),interval(2,4))

o2 = false

i3 : isSubset(interval(0,4+4*ii),interval(1+ii,2+3*ii))

o3 = false

See also

isMember -- test membership in a list or set

Ways to use this method:

isSubset(CCi,CCi) -- subset test for intervals
isSubset(CCi,RRi)
isSubset(RRi,CCi)
isSubset(RRi,RRi)

The source of this document is in Macaulay2Doc/doc_intervals.m2:246:0.