Výsledky vyhledávání - "Quadratically-constrained quadratic programming"

The Kreĭn-Šmul'jan theorem revisited Autor Gonzalez Zerbo, Santiago, Maestripieri, Alejandra, Martínez Pería, Francisco

“…We present a generalization of the Kreĭn-Šmul'jan theorem involving several operators: Given bounded selfadjoint operators A,B1,…,Bm acting on a Hilbert space…”
Získat plný text

Consensus-ADMM for General Quadratically Constrained Quadratic Programming Autor Kejun Huang, Sidiropoulos, Nicholas D.

“…Nonconvex quadratically constrained quadratic programming (QCQP) problems have numerous applications in signal processing, machine learning, and wireless…”
Získat plný text

ADMM-Based Fast Algorithm for Multi-Group Multicast Beamforming in Large-Scale Wireless Systems Autor Chen, Erkai, Tao, Meixia

“…Multi-group multicast beamforming in wireless systems with large antenna arrays and massive audience is investigated in this paper. Multicast beamforming…”
Získat plný text

New Designs on MVDR Robust Adaptive Beamforming Based on Optimal Steering Vector Estimation Autor Yongwei Huang, Mingkang Zhou, Vorobyov, Sergiy A.

“…The robust adaptive beamforming design problem based on estimation of the signal-of-interest (SOI) steering vector is considered in the paper. The common…”
Získat plný text

On the tightness of SDP relaxations of QCQPs Autor Wang, Alex L., Kılınç-Karzan, Fatma

“…Quadratically constrained quadratic programs (QCQPs) are a fundamental class of optimization problems well-known to be NP-hard in general. In this paper we…”
Získat plný text

Indefinite least squares with a quadratic constraint Autor Gonzalez Zerbo, Santiago, Maestripieri, Alejandra, Martínez Pería, Francisco

“…An abstract indefinite least squares problem with a quadratic constraint is considered. This is a quadratic programming problem with one quadratic equality…”
Získat plný text

Projectively and Weakly Simultaneously Diagonalizable Matrices and their Applications Autor Ding, Wentao, Li, Jianze, Zhang, Shuzhong

Získat plný text

Voltage Control for Distribution Networks via Coordinated Regulation of Active and Reactive Power of DGs Autor Hu, Xiong, Liu, Zhi-Wei, Wen, Guanghui, Yu, Xinghuo, Liu, Chen

“…Fast-acting reactive power support from distributed generations (DGs) is a promising approach for tackling rapid voltage fluctuations in distribution networks…”
Získat plný text

Power System State Estimation via Feasible Point Pursuit: Algorithms and Cramér-Rao Bound Autor Wang, Gang, Zamzam, Ahmed S., Giannakis, Georgios B., Sidiropoulos, Nicholas D.

Získat plný text

Exact semidefinite formulations for a class of (random and non-random) nonconvex quadratic programs Autor Burer, Samuel, Ye, Yinyu

“…We study a class of quadratically constrained quadratic programs (QCQPs), called diagonal QCQPs , which contain no off-diagonal terms x j x k for j ≠ k , and…”
Získat plný text

Multiparametric/explicit nonlinear model predictive control for quadratically constrained problems Autor Pappas, Iosif, Diangelakis, Nikolaos A., Pistikopoulos, Efstratios N.

“…Explicit model predictive control is an established methodology for the offline determination of the optimal control policy for linear discrete time-invariant…”
Získat plný text

Modulus Constrained Minimax Radar Code Design Against Target Interpulse Fluctuation Autor Xie, Zhuang, Xu, Zhou, Han, Sudan, Zhu, Jiahua, Huang, Xiaotao

“…In the presence of colored Gaussian disturbance, this paper considers the robust transmit code and receiver filter design against target interpulse fluctuation…”
Získat plný text

Semidefinite representable reformulations for two variants of the trust-region subproblem Autor Kelly, Sarah, Ouyang, Yuyuan, Yang, Boshi

Získat plný text

A Novel Quadratically Constrained Quadratic Programming Method for Optimal Coordination of Directional Overcurrent Relays Autor Papaspiliotopoulos, Vasileios A., Korres, George N., Maratos, Nicholas G.

“…The coordination of directional overcurrent relays (DOCRs) in meshed power grids with multiple sources is a constrained optimization problem, which has been…”
Získat plný text

Robust Adaptive Beamforming Based on Steering Vector Estimation With as Little as Possible Prior Information Autor Khabbazibasmenj, Arash, Vorobyov, S. A., Hassanien, A.

“…A general notion of robustness for robust adaptive beamforming (RAB) problem and a unified principle for minimum variance distortionless response (MVDR) RAB…”
Získat plný text

A tight compact quadratically constrained convex relaxation of the Optimal Power Flow problem Autor Lambert, Amélie

“…In this paper, we consider the Optimal Power Flow (OPF) problem which consists in determining the power production at each bus of an electric network by…”
Získat plný text

Pareto-Optimal Multimetric Model Extraction for Digital Predistortion of RF Power Amplifiers for Error Spectrum Redistribution Autor Yin, Hang, Zhu, Anding

“…In complex spectrum coordination scenarios in wireless communications, different frequency regions may have distinct linearity requirements. Digital…”
Získat plný text

A block Lanczos method for the symmetric generalized eigenvalue complementarity problem Autor Gong, Ziche, Lei, Yuan, Cao, Chengwen, Gong, Guangcai

Získat plný text

Time-of-Use Tariff Design Under Uncertainty in Price-Elasticities of Electricity Demand: A Stochastic Optimization Approach Autor de Sa Ferreira, Rafael, Barroso, Luiz Augusto, Rochinha Lino, Priscila, Carvalho, Martha Martins, Valenzuela, Paula

“…Time-of-use (ToU) electricity tariffs are currently employed or considered for implementation in many jurisdictions around the world. In ToU modalities, a set…”
Získat plný text

Response Vector Constrained Robust LCMV Beamforming Based on Semidefinite Programming Autor Xu, Jingwei, Liao, Guisheng, Zhu, Shengqi, Huang, Lei

“…Although linearly constrained minimum variance (LCMV) beamforming is robust against imprecise target information, it usually leads to relatively high sidelobe…”
Získat plný text