next | previous | forward | backward | up | top | index | toc | Macaulay2 website
NumericalCertification :: wInterval(Interval)

wInterval(Interval) -- compute a width of an interval.

Synopsis

Description

We define the width of an interval as a difference between a upper bound and lower bound of an interval.

i1 : I = interval(.5,.8);
i2 : wInterval I

o2 = .3

o2 : RR (of precision 53)