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researcher

Philippe L. Toint

22 papers hereh-index 6277 citations23 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author2
  • last author17

Across the 19 of 22 papers where every author was matched, so the position is known.

fields
  • math.OC16
  • math.NA3
  • cs.LG2
  • cs.AI1

identity via Semantic Scholar / OpenAlex

activity
20172026
most citedA note on preconditioning weighted linear least squares, with consequences for weakly-constrained variational data assimilation

6 citations · 14 across the 20 of their papers we have counts for

collaborators
Showing 2022Show all

3 papers · 1 filter

math.OC2022

OFFO minimization algorithms for second-order optimality and their complexity

S. Gratton, Ph. L. Toint

An Adagrad-inspired class of algorithms for smooth unconstrained optimization is presented in which the objective function is never evaluated and yet the gradient norms decrease at…

math.OC2022★ 2 cited

Complexity and performance for two classes of noise-tolerant first-order algorithms

S. Gratton, S. Jerad, Ph. L. Toint

Two classes of algorithms for optimization in the presence of noise are presented, that do not require the evaluation of the objective function. The first generalizes the well-know…

math.OC2022★ 2 cited

Complexity of a Class of First-Order Objective-Function-Free Optimization Algorithms

S. Gratton, S. Jerad, Ph. L. Toint

A parametric class of trust-region algorithms for unconstrained nonconvex optimization is considered where the value of the objective function is never computed. The class contains…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.