subdifferential

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English

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Etymology

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From sub- +‎ differential.

Noun

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subdifferential (plural subdifferentials)

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