Meanings
nounsubdifferential (plural subdifferentials)
plural subdifferentials
- mathematicssubderivative
We give a characterization of the associated subdifferential and the proximal operator, and discuss efficient optimization algorithms for some structured regularized loss-minimization problems using VGFs.
2015, Amin Jalali, Lin Xiao, Maryam Fazel, “Variational Gram Functions: Convex Analysis and Optimization”, in arXiv
Origin
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Englishsub-
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*trísinflu.
- Proto-Indo-European*d(w)is-
- Proto-Italic*dis-
- Latindis-
- Proto-Indo-European*bʰer-
- Proto-Indo-European*bʰéreti
- Proto-Italic*ferō
- Latinferō
- Latindifferō
- Latindifferēns
- Latindifferentia
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Latindifferentiāli
- Englishdifferential
- Englishsubdifferential
From sub- + differential.
Full word history & related roots →Cite this entry
APA
subdifferential. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/subdifferential
MLA
“subdifferential.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subdifferential. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “subdifferential,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/subdifferential.
Source: subdifferential on Wiktionary, CC BY-SA 4.0.