Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Ameli, Siavash"'
Large language models (LLMs) have transformed natural language processing, with frameworks like Chatbot Arena providing pioneering platforms for evaluating these models. By facilitating millions of pairwise comparisons based on human judgments, Chatb
Externí odkaz:
http://arxiv.org/abs/2412.18407
We propose cloud oracles, an alternative to machine learning for online optimization of cloud configurations. Our cloud oracle approach guarantees complete accuracy and explainability of decisions for problems that can be formulated as parametric con
Externí odkaz:
http://arxiv.org/abs/2308.06815
Publikováno v:
Topological Methods in Data Analysis and Visualization III, Theory, Algorithms, and Applications (2014), pp. 201-215
The computation of Lagrangian coherent structures (LCS) has become a standard tool for the analysis of advective transport in unsteady flow applications. LCS identification is primarily accomplished by evaluating measures based on the finite-time Cau
Externí odkaz:
http://arxiv.org/abs/2209.13775
Autor:
Ameli, Siavash, Shadden, Shawn C.
Publikováno v:
Applied Mathematics and Computation, vol. 452, 2023, p. 128032
We study a matrix that arises from a singular form of the Woodbury matrix identity. We present generalized inverse and pseudo-determinant identities for this matrix, which have direct applications for Gaussian process regression, specifically its lik
Externí odkaz:
http://arxiv.org/abs/2207.08038
Autor:
Ameli, Siavash, Shadden, Shawn C.
We develop a computational procedure to estimate the covariance hyperparameters for semiparametric Gaussian process regression models with additive noise. Namely, the presented method can be used to efficiently estimate the variance of the correlated
Externí odkaz:
http://arxiv.org/abs/2206.09976
Autor:
Ameli, Siavash, Shadden, Shawn C.
Publikováno v:
Statistics and Computing 32, 108 (2022)
We develop heuristic interpolation methods for the functions $t \mapsto \log \det \left( \mathbf{A} + t \mathbf{B} \right)$ and $t \mapsto \operatorname{trace}\left( (\mathbf{A} + t \mathbf{B})^{p} \right)$ where the matrices $\mathbf{A}$ and $\mathb
Externí odkaz:
http://arxiv.org/abs/2009.07385
Autor:
Ameli, Siavash, Shadden, Shawn C.
Publikováno v:
In Applied Mathematics and Computation 1 September 2023 452
Autor:
Ameli, Siavash, Shadden, Shawn C.
Remote sensing of oceanographic data often yields incomplete coverage of the measurement domain. This can limit interpretability of the data and identification of coherent features informative of ocean dynamics. Several methods exist to fill gaps of
Externí odkaz:
http://arxiv.org/abs/1808.07965
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