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,

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