EntityQ319913· pop 40· linked from 343 articlesconvex functionSign in to savereal function with secant line between points above the graph itselfConnectionsmaxima and minimaEntitymonotonic functionEntityintervalEntitydifferentiable functionEntityextended real number lineEntitylevel setEntityConvex conjugateEntitymathematicsEntityInternational Standard Book NumberEntityreal numberEntitydigital object identifierEntityderivativeEntityprobability theoryEntitypolynomialEntityvector spaceEntityabsolute valueEntityline segmentEntityinequalityEntitycontinuous functionEntityrandom variableEntityCategoriesConvex analysisGeneralized convexityTypes of functions