relation of equivalence of eventsrelations of eventsrelationshiprelationship torelationship to cyclingrelationship to extreme pointsrelationshipsrelationships of matrixrelationships of vectorrelationships primal vs dual problemsrelativerelative closed setrelative complementrelative complement of two setsrelative consistencyrelative cumulative frequencyrelative curvaturerelative densityrelative deviationrelative discriminantrelative dispersionrelative distancerelative efficiencyrelative enlargementrelative errorrelative error of an approximationrelative extremumrelative extremum of a functionrelative frequencyrelative frequency histogramrelative frequency of eventrelative informationrelative maximumrelative metric induced byrelative metrix induced byrelative minimumrelative neighborhoodrelative numberrelative open setrelative positionrelative precisionrelative predicaterelative pricerelative productrelative reductionrelative skewnessrelative standard deviationrelative torelative topologyrelative uniformity