🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsРусскийفارسی한국어中文日本語EntityQ1126412· pop 9· linked from 92 articlesquasiconvex functionfunction for which every set of inputs whose value is below a given threshold is convexAvailable in 9 languagesEspañolFrançaisDeutsch中文日本語РусскийUkrainianفارسیvia Wikidata sitelinks · CC0ConnectionsdualityEntityconvex optimizationEntityCategoriesConvex analysisConvex optimizationGeneralized convexityReal analysisTypes of functions