subdifferential

English

Etymology

sub- +‎ differential

Noun

subdifferential (plural subdifferentials)

  1. (mathematics) subderivative
    • 2015, Amin Jalali, Lin Xiao, Maryam Fazel, “Variational Gram Functions: Convex Analysis and Optimization”, in arXiv‎:
      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.
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