Results 121 to 130 of about 277,976 (316)

Inversion of symmetric coefficient matrix of positive-definite quadratic form [PDF]

, 1957
Thomas C. Doyle
openalex   +1 more source

Symmetric schemes for computing the minimum eigenvalue of a symmetric Toeplitz matrix [PDF]

Linear Algebra and its Applications, 1999
In [8] and [9] W. Mackens and the present author presented two generalizations of a method of Cybenko and Van Loan [4] for computing the smallest eigenvalue of a symmetric, positive definite Toeplitz matrix. Taking advantage of the symmetry or skew-symmetry of the corresponding eigenvector both methods are improved considerably.
openaire   +1 more source

Off‐Stoichiometry Engineering of the Electrical and Optical Properties of SrNbO3 Using Oxide Molecular Beam Epitaxy

Advanced Functional Materials, EarlyView.
The plasma edge of transparent conducting oxide SrNbO3 shifts from ∼2 eV in the visible range to 1.37 eV in the near‐infrared region by off‐stoichiometry using the vacancy sites as quasi‐substitutional virtual elements. This work advances the stoichiometry engineering of perovskite oxides using oxide molecular beam epitaxy, allowing synthesis beyond ...
Jasnamol Palakkal, Alexey Arzumanov, Ruiwen Xie, Zhiyuan Li, Niloofar Hadaeghi, Thomas Wagner, Tianshu Jiang, Yating Ruan, Gennady Cherkashinin, Leopoldo Molina Luna, Hongbin Zhang, Lambert Alff   +11 more
wiley   +1 more source

ZjuMatrix: C++ vector and matrix class library for finite element method

SoftwareX
Finite element analysis is an indispensable and valuable tool widely used in the field of science and technology. It involves a multitude of matrix operations, storage of large banded matrices, and calculation of large-scale algebraic equations and ...
Shicheng Zheng, Rongqiao Xu
doaj  

Algorithm 253: [F2]: Eigenvalues of real symmetric matrix by the QR method [PDF]

, 1965
Peter A. Businger
openalex   +1 more source

Nanoscale Agglomeration Mechanisms of BF‐DPB:BPyMPM Donor–Acceptor Systems for Organic Optoelectronic Devices

Advanced Functional Materials, EarlyView.
The intermolecular and molecule‐substrate interactions and resulting molecular assembly of the OLED and OPV donor and acceptor molecules BF‐DPB and BPyMPM are investigated on different single crystalline substrates using high‐resolution scanning probe microscopy.
Milena Merkel, Philipp Wiesener, Robert Schmidt, Rishi Shivhare, Nikos Doltsinis, Rudolf Bratschitsch, Saeed Amirjalayer, Koen Vandewal, Harry Mönig   +8 more
wiley   +1 more source

Nonsmooth rank-one symmetric matrix factorization landscape [PDF]

arXiv
We consider nonsmooth rank-one symmetric matrix factorization. It has no spurious second-order stationary points.
arxiv  

Unitary equivalence to a complex symmetric matrix: an algorithm [PDF]

J. Math. Anal. Appl. 341 (2008) 640-648, 2009
We present a necessary and sufficient condition for a 3 by 3 matrix to be unitarily equivalent to a symmetric matrix with complex entries, and an algorithm whereby an arbitrary 3 by 3 matrix can be tested. This test generalizes to a necessary and sufficient condition that applies to almost every n by n matrix.
arxiv  

An Efficient Scheme for the Co-diagonalization of a Symmetric Matrix by Givens' Method in a Computer with a Two-level Store [PDF]

, 1961
J. S. Rollett
openalex   +1 more source

Toward Architected Microstructures Using Advanced Laser Beam Shaping in Laser Powder Bed Fusion of Ti‐6Al‐4V

Advanced Functional Materials, EarlyView.
This research applies advanced laser beam shaping (LCoS‐SLM) to fabricate the Ti‐6Al‐4V alloy via laser powder bed fusion. A tailored beam is used to prevent martensite formation and create a dual α+β microstructure by controlling cooling rates.
Reza Esmaeilzadeh, Jamasp Jhabvala, Lucas Schlenger, Mathijs van der Meer, Eric Boillat, Cyril Cayron, Amir Mohammad Jamili, Junfeng Xiao, Roland E. Logé   +8 more
wiley   +1 more source