SEARCH MATHEMATICA 8 DOCUMENTATION

THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.

Mathematica >

Built-in Mathematica Symbol

IntervalMemberQ

IntervalMemberQ[interval, x]
gives True if the number x lies within the specified interval, and False otherwise.

IntervalMemberQ[interval₁, interval₂]
gives True if interval₂ is completely contained within interval₁.

Test whether

lies in the interval 2 through 5:

Test whether

lies in the interval 2 through 5:

IntervalMemberQ tests whether one interval lies within another:

Exact numbers do not define an extended interval:

Approximate numbers do:

New in 3