Results 211 to 220 of about 236,167 (259)

Assembling a True “Olympic Gel” From over 16 000 Combinatorial DNA Rings

Advanced Materials, EarlyView.
Olympic gels are an elusive class of soft matter, consisting of molecular networks held together purely by mechanically interlocked rings. Their topological structure promises unique properties and functions, but their synthesis has proven notoriously difficult.
Sarah K. Speed, Yu‐Hsuan Peng, Azra Atabay, Krishna Gupta, Toni Müller, Carolin Fischer, Ilka M. Hermes, Jens‐Uwe Sommer, Michael Lang, Elisha Krieg   +9 more
wiley   +1 more source

An Improved Biomimetic Beaver Behavior Optimizer for Inverse Kinematics of Rehabilitation Robotic Arms. [PDF]

Biomimetics (Basel)
Fan S, Deng Y, Li Z.
europepmc   +1 more source

Ultra‐Confinement of Polaritons in Single Atomic Layer Ag Photonic Quantum Dots

Advanced Materials, EarlyView.
Strong confinement of surface phonon polaritons of silicon carbide was achieved in photonic quantum dots fabricated from van der Waals heterostructure of epitaxial graphene over single‐atomic layer silver. Scattering‐type scanning near‐field optical microscopy combined with an analytical approach, developed to reveal local propagation constants with ...
Xinyi Li, Tetyana Ignatova, Chengye Dong, Krishnan Mekkanamkulam Ananthanarayanan, Rinu Abraham Maniyara, Arpit Jain, Furkan Turker, Vinay Kammarchedu, Aida Ebrahimi, Joshua A. Robinson, Slava V. Rotkin   +10 more
wiley   +1 more source

Implicit sub-stepping scheme for critical state soil models. [PDF]

Eng Comput
Bui HG, Niníc J, Meschke G.
europepmc   +1 more source

Optimized K-means algorithm for image segmentation based on improved dung beetle algorithm. [PDF]

Sci Rep
Li N, Luo Y, Feng Z, Qu H, Liu Z.
europepmc   +1 more source

BGSE-RRT*: A Goal-Guided and Multi-Sector Sampling-Expansion Path Planning Algorithm for Complex Environments. [PDF]

Sensors (Basel)
Yue W, Li X, Liu Z, Jiang X, Pan L.
europepmc   +1 more source

Research on vibration prediction method of aircraft lens frame based on CPO-BP. [PDF]

Sci Rep
Zheng X, Guo T, Chu H, Gao S.
europepmc   +1 more source

On the Local Convergence of Pattern Search [PDF]

SIAM Journal on Optimization, 2003
The authors consider local convergence properties of pattern search as a class of direct search methods for solving nonlinear programming problems. For simplicity, only the unconstrained case \(\min_{x\in\mathbb{R}^n}\,f(x)\) is considered. Numerical tests are given.
Robert Michael Lewis, Virginia Torczon
exaly   +2 more sources

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Locally Convergent Nonlinear Observers

SIAM Journal on Control and Optimization, 2003
Summary: We introduce a new method for the design of observers for nonlinear systems using backstepping. The method is applicable to a class of nonlinear systems slightly larger than those treated by \textit{J. P. Gauthier, H. Hammouri}, and \textit{S. Othman} [IEEE Trans. Autom. Control 37, 875--880 (1992; Zbl 0775.93020)].
Krener, Arthur J., Kang, Wei
openaire   +2 more sources

On the Local Convergence of Update Methods

SIAM Journal on Numerical Analysis, 1974
This paper concerns a class of update methods, or, as they are also called, quasi-Newton methods, variable metric methods, or modification methods. A general theory of rank-one and symmetric rank-two update formulas is presented which covers many of the special methods proposed in the literature.
Rheinboldt, Werner C., Vandergraft, James S.   +1 more
openaire   +2 more sources