Search Results - "ANITESCU, Mihai"

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  1. 1

    Multidimensional sum-up rounding for integer programming in optimal experimental design by Yu, Jing, Anitescu, Mihai

    Published in Mathematical programming (01-01-2021)
    “…We present a numerical method for approximating the solution of convex integer programs stemming from optimal experimental design. The statistical setup…”
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  2. 2

    Inequality constrained stochastic nonlinear optimization via active-set sequential quadratic programming by Na, Sen, Anitescu, Mihai, Kolar, Mladen

    Published in Mathematical programming (01-11-2023)
    “…We study nonlinear optimization problems with a stochastic objective and deterministic equality and inequality constraints, which emerge in numerous…”
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  3. 3

    An adaptive stochastic sequential quadratic programming with differentiable exact augmented lagrangians by Na, Sen, Anitescu, Mihai, Kolar, Mladen

    Published in Mathematical programming (01-05-2023)
    “…We consider solving nonlinear optimization problems with a stochastic objective and deterministic equality constraints. We assume for the objective that its…”
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  4. 4

    Optimization-based simulation of nonsmooth rigid multibody dynamics by ANITESCU, Mihai

    Published in Mathematical programming (01-01-2006)
    “…We present a time-stepping method to simulate rigid multibody dynamics with inelastic collision, contact, and friction. The method progresses with fixed time…”
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  5. 5

    An iterative approach for cone complementarity problems for nonsmooth dynamics by Anitescu, Mihai, Tasora, Alessandro

    “…Aiming at a fast and robust simulation of large multibody systems with contacts and friction, this work presents a novel method for solving large cone…”
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  6. 6

    Scalable computations for nonstationary Gaussian processes by Beckman, Paul G., Geoga, Christopher J., Stein, Michael L., Anitescu, Mihai

    Published in Statistics and computing (01-08-2023)
    “…Nonstationary Gaussian process models can capture complex spatially varying dependence structures in spatial data. However, the large number of observations in…”
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  7. 7

    STOCHASTIC APPROXIMATION OF SCORE FUNCTIONS FOR GAUSSIAN PROCESSES by Stein, Michael L., Chen, Jie, Anitescu, Mihai

    Published in The annals of applied statistics (01-06-2013)
    “…We discuss the statistical properties of a recently introduced unbiased stochastic approximation to the score equations for maximum likelihood calculation for…”
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  8. 8

    Detecting Large Frequency Excursions in the Power Grid With Bayesian Decision Theory by Lenzi, Amanda, Bessac, Julie, Anitescu, Mihai

    “…Disturbances in power systems, such as a generator trip, affect the frequency and voltage of the power grid. A framework that enables anticipating potentially…”
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  9. 9

    A high-performance computing framework for analyzing the economic impacts of wind correlation by Petra, Cosmin G., Zavala, Victor M., Nino-Ruiz, Elias D., Anitescu, Mihai

    Published in Electric power systems research (01-12-2016)
    “…•The impact of capturing wind spatiotemporal correlations on grid dispatch procedures is analyzed.•Stochastic optimization, shrinkage covariance matrix…”
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  10. 10

    Superconvergence of Online Optimization for Model Predictive Control by Na, Sen, Anitescu, Mihai

    Published in IEEE transactions on automatic control (18-11-2022)
    “…We develop a one-Newton-step-per-horizon, online, lag-L, model predictive control (MPC) algorithm for solving discrete-time, equality-constrained, nonlinear…”
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  11. 11

    A Real-Time Optimization with Warm-Start of Multiperiod AC Optimal Power Flows by Kim, Youngdae, Anitescu, Mihai

    Published in Electric power systems research (01-12-2020)
    “…•A real-time optimization of a moving horizon of multiperiod AC optimal power flows•Warm-start methods for a moving horizon and their KKT error analysis•An…”
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  12. 12

    Time-stepping for three-dimensional rigid body dynamics by Anitescu, Mihai, Potra, Florian A., Stewart, David E.

    “…Traditional methods for simulating rigid body dynamics involves determining the current contact arrangement (e.g., each contact is either a “rolling” or…”
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  13. 13

    Distributionally robust optimization with correlated data from vector autoregressive processes by Dou, Xialiang, Anitescu, Mihai

    Published in Operations research letters (01-07-2019)
    “…We present a distributionally robust formulation of a stochastic optimization problem for non-i.i.d vector autoregressive data. We use the Wasserstein distance…”
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  14. 14

    Superconvergence of Online Optimization for Model Predictive Control by Na, Sen, Anitescu, Mihai

    Published in IEEE transactions on automatic control (01-03-2023)
    “…We develop a one-Newton-step-per-horizon, online, lag-<inline-formula><tex-math notation="LaTeX">L</tex-math></inline-formula>, model predictive control (MPC)…”
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  15. 15

    How can statistics help to prevent blackouts? by Lenzi, Amanda, Anitescu, Mihai

    Published in Significance (Oxford, England) (10-02-2023)
    “…Abstract Last issue, Amanda Lenzi and Mihai Anitescu introduced the role of statistics in energy forecasting. Here, they explore the best way to anticipate and…”
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  16. 16

    How statistics keeps the lights on by Lenzi, Amanda, Anitescu, Mihai

    Published in Significance (Oxford, England) (01-12-2022)
    “…Amanda Lenzi and Mihai Anitescu answer six key questions on the role of statistics in energy forecasting. Part one of a two‐part series How do energy companies…”
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    An adaptive stochastic sequential quadratic programming with differentiable exact augmented lagrangians by Na, Sen, Anitescu, Mihai, Kolar, Mladen

    Published in Mathematical programming (30-06-2022)
    “…In this study, we consider solving nonlinear optimization problems with a stochastic objective and deterministic equality constraints. We assume for the…”
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  19. 19

    Accelerating optimal power flow with GPUs: SIMD abstraction of nonlinear programs and condensed-space interior-point methods by Shin, Sungho, Anitescu, Mihai, Pacaud, François

    Published in Electric power systems research (01-11-2024)
    “…This paper introduces a framework for solving alternating current optimal power flow (ACOPF) problems using graphics processing units (GPUs). While GPUs have…”
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  20. 20

    Optimal Bandwidth for Multitaper Spectrum Estimation by Haley, Charlotte L., Anitescu, Mihai

    Published in IEEE signal processing letters (01-11-2017)
    “…A systematic method for bandwidth parameter selection is desired for Thomson multitaper spectrum estimation. We give a method for determining the optimal…”
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