Engineering (engineering design, digital design)
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For sequences of networks
embedded in the unit cube \([0, 1]^m\)
,
(weak) measure limits of sequences of empirical measures
of vertex densities (vertexon...
We explore a scaled spectral preconditioner for the efficient solution of sequences of symmetric and positive-definite linear systems. We design the scaled...
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Penalty methods are a well known class of algorithms for constrained optimization. They transform a constrained problem into a sequence of unconstrained _pe...
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We develop R2N, a modified quasi-Newton method for minimizing the sum of a \(\mathcal{C}^1\)
function \(f\)
and a lower semi-continuous prox-bounded `(h...
The solution of the graphon mean field game equation (GMFG) is characterized by an HJB equation and an FPK equation coupled via a graphon mean field. An a...
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This paper introduces new model parameterizations for learning dynamical systems from data via the Koopman operator, and studies their properties. Whereas mo...
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The modelling of linear quadratic Gaussian optimal control problems on large complex networks is intractable computationally. Graphon theory provides an appr...
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JSOSuite.jl is a new Julia package offering a user-friendly interface for continuous nonlinear optimization. The solvers available cover unconstrained to g...
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Bistable mechanical systems exhibit two stable configurations where the elastic energy is locally minimized. To realize such systems, origami techniques ha...
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Local search methods start from a feasible solution and improve it by successive minor modifications until a solution that cannot be further improved is enco...
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This paper introduces a new step to the Direct Search Method (DSM) to strengthen its convergence analysis. By design, this so-called covering step may e...
BibTeX referenceRipQP: A multi-precision regularized predictor-corrector method for convex quadratic optimization
We describe the implementation of RipQP, an interior-point algorithm for convex quadratic optimization. Our Julia implementation is open source, and accommo...
BibTeX reference\(\texttt{solar}\): A solar thermal power plant simulator for blackbox optimization benchmarking
This work introduces solar, a collection of ten optimization problem instances for benchmarking blackbox optimization solvers. The instances present differ...
BibTeX referenceA general error analysis for randomized low-rank approximation with application to data assimilation
Randomized algorithms have proven to perform well on a large class of numerical linear algebra problems. Their theoretical analysis is critical to provide gu...
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Augmented Lagrangian (AL) methods are a well known class of algorithms for solving constrained optimization problems. They have been extended to the solution...
BibTeX referenceCesogen: Cellular solid generator
Cellular solids are structures which have applications in mechanical engineering to make lightweight structures and heat exchangers, in biomedical engineer...
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We develop a worst-case evaluation complexity bound for trust-region methods in the presence of unbounded Hessian approximations. We use the algorithm of Ar...
BibTeX referenceCorrigendum: A proximal quasi-Newton trust-region method for nonsmooth regularized optimization
The purpose of the present note is to bring clarifications to certain concepts and surrounding notation of Aravkin et al. (2022). All results therein contin...
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We develop a trust-region method for minimizing the sum of a smooth term \(f\)
and a nonsmooth term \(h\)
, both of which can be nonconvex.
Each iteratio...
An interior-point trust-region method for nonsmooth regularized bound-constrained optimization
We develop an interior-point method for nonsmooth regularized bound-constrained optimization problems. Our method consists of iteratively solving a sequence...
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