Search Results - "Directional derivatives"

Matrix-induced quantum calculus in higher dimensions.

Authors: Jleli, Mohamed Samet, Bessem

Source: AIMS Mathematics. 2026, Vol. 11 Issue 6, p1-32. 32p.

Marginal Values of a Stochastic Game.

Authors: Attia, Luc Oliu-Barton, Miquel Saona, Raimundo

Source: Mathematics of Operations Research (INFORMS). Feb2025, Vol. 50 Issue 1, p482-505. 24p.

The Cost of Nonconvexity in Deterministic Nonsmooth Optimization.

Authors: Kong, Siyu Lewis, A. S.

Source: Mathematics of Operations Research (INFORMS). Nov2024, Vol. 49 Issue 4, p2385-2401. 17p.

APPROXIMATION OF THE FUNCTION f(x, y, z) BY THREE DIMENSIONAL EXTENDED LEGENDRE WAVELET METHOD.

Authors: SINGH, SONOO SHARMA, VIVEK KUMAR SHARMA, VIRENDRA et al.

Source: Journal of the Indian Mathematical Society. Oct-Dec2025, Vol. 92 Issue 4, p531-550. 20p.

Infrared Small Target Detection Using Directional Derivative Correlation Filtering and a Relative Intensity Contrast Measure.

Authors: Xie, Feng Yang, Dongsheng Yang, Yao et al.

Source: Remote Sensing. Jun2025, Vol. 17 Issue 11, p1921. 24p.

Subjects: Directional derivatives, Infrared imaging, Vector fields, Computational complexity

Strict Efficiency in Set Optimization Studied with the Set Approach.

Authors: Ha, Truong Xuan Duc¹ (AUTHOR) hatxd@thanglong.edu.vn

Source: Journal of Optimization Theory & Applications. May2025, Vol. 205 Issue 2, p1-20. 20p.

Subjects: Directional derivatives, Subdifferentials, Set-valued maps

Noise-Robust image edge detection based on multi-scale automatic anisotropic morphological Gaussian Kernels.

Authors: Liang, Lei Chen, Junming Shi, Jiawei et al.

Source: PLoS ONE. 5/5/2025, Vol. 20 Issue 5, p1-23. 23p.

Maximal directional derivatives in Laakso space.

Authors: Capolli, Marco Pinamonti, Andrea Speight, Gareth

Source: Communications in Contemporary Mathematics. May2025, Vol. 27 Issue 4, p1-39. 39p.

Fractional Analytic Extensions of Multipole Expansion via Directional Derivatives.

Authors: Bouzeffour, Fethi¹ (AUTHOR) fbouzaffour@ksu.edu.sa

Source: Mathematical Methods in the Applied Sciences. 7/30/2026, Vol. 49 Issue 11, p12745-12762. 18p.

Second-Order Set-Valued Directional Derivatives of the Marginal Map in Parametric Vector Optimization Problems.

Authors: Bao, Nguyen Xuan Duy Khanh, Phan Quoc Tung, Nguyen Minh

Source: Journal of Optimization Theory & Applications. Mar2025, Vol. 204 Issue 3, p1-20. 20p.

Subjects: Multi-objective optimization, Directional derivatives, Mathematical mappings, Computational mathematics, Mathematical optimization, Set-valued maps

Optimality conditions for global minimizers to a class of convex set optimization problem subjected to geometric constraints.

Authors: Nguyen, Minh Tung Pham, Thanh Duoc Nguyen, Van Hoi

Source: RAIRO: Operations Research (2804-7303). 2025, Vol. 59 Issue 2, p1019-1034. 16p.

Subjects: Convex sets, Directional derivatives, Nonlinear functions, Calculus

Quaternary boundary optimal control problem of quaternary nonlinear hyperbolic system with equality and inequality constraints.

Authors: Fadhel, Mahmood Amar Al-Hawasy, Jamil Amir Ali

Source: AIP Conference Proceedings. 2026, Vol. 3460 Issue 1, p1-7. 7p.

On the directional derivative of the Hausdorff dimension of quadratic polynomial Julia sets at -3/4: On the directional derivative...: L. Jaksztas.

Authors: Jaksztas, Ludwik¹ (AUTHOR) jaksztas@impan.pl

Source: Mathematische Annalen. Apr2025, Vol. 391 Issue 4, p5427-5483. 57p.

A comprehensive characterization of the robust isolated calmness of Ky Fan $ k $-norm regularized convex matrix optimization problems.

Authors: Yin, Ziran Liu, Chongyang Chen, Xiaoyu et al.

Source: AIMS Mathematics. 2025, Vol. 10 Issue 3, p1-15. 15p.

对称正则长波方程的高效紧致差分格式.

Alternate Title: An Efficient Compact Difference Scheme for the Symmetric Regularized Long Wave Equation.

Authors: 高晶英 何斯日古楞 青梅 et al.

Source: Applied Mathematics & Mechanics (1000-0887). Mar2025, Vol. 46 Issue 3, p412-424. 13p.

Analytic functions in a unit polydisc: conditions of directional boundedness of L-index for the sum of functions with directionally bounded L-index.

Authors: Bandura, Andriy Skaskiv, Oleh Hural, Inesa et al.

Source: Journal of Mathematical Sciences. Feb2025, Vol. 288 Issue 2, p155-162. 8p.

A new approach to the directional derivative of fractional order.

Authors: Toplama, Aykut¹ (AUTHOR) aykut.toplama@kilis.edu.tr

Source: Mathematical Methods in the Applied Sciences. Feb2025, Vol. 48 Issue 3, p3926-3935. 10p.

Sufficient Optimality Conditions in Bilevel Programming.

Authors: Mehlitz, Patrick Zemkoho, Alain B.

Source: Mathematics of Operations Research (INFORMS). Nov2021, Vol. 46 Issue 4, p1573-1598. 26p.

Directional Derivative of the Value Function for Parametric Set-Constrained Optimization Problems.

Authors: Bai, Kuang Ye, Jane J.

Source: Journal of Optimization Theory & Applications. Nov2024, Vol. 203 Issue 2, p1355-1384. 30p.

Subjects: Derivatives (Mathematics), Directional derivatives, Sensitivity analysis

NECESSARY CONDITIONS FOR OPTIMALITY IN ONE NONSMOOTH OPTIMAL CONTROL PROBLEM FOR GOURSAT-DARBOUX SYSTEMS.

Authors: Ramazanova, Aysel T.¹

Source: Advances in Differential Equations & Control Processes. Dec2024, Vol. 31 Issue 4, p673-681. 9p.

Subjects: Directional derivatives, Equations, Hyperbolic differential equations