Results 51 to 60 of about 524,744 (263)
Constructions of complex hadamard matrices via tiling abelian groups [PDF]
, 2007 Applications in quantum information theory and quantum tomography have raised current interest in complex Hadamard matrices. In this note we investigate the connection between tiling of Abelian groups and constructions of complex Hadamard matrices ...
Matolcsi, Máté +2 more
core +1 more source
Numerical Computation of Subsonic Oscillatory Airforce Coefficients for Wing-Winglet Configurations
Journal of Algorithms & Computational Technology, 2007 This paper presents the theoretical development and numerical results of a lifting-surface theory for calculating oscillating airforce coefficients for wing-winglet configurations and it follows the author's previous paper on the extension of Davies' T ...
C.W. Cheung
doaj +1 more source
Optimization of the Production of Rubber Compounds Using Mathematical Models
Advanced Engineering Materials, EarlyView.Rubber compounds were mixed in a batch internal mixer, and symbolic regression was used to derive mathematical models linking recipe and process parameters to ram path, torque, and mixing quality (incorporation, dispersion, distribution). Subsequent optimization with evolutionary algorithms identified operating conditions that reduce specific energy ...
Anke Bardehle +7 more
wiley +1 more source
DYNAMICS AND MODELING OF TRANSPORT TECHNOLOGICAL MACHINES FOR AGRICULTURE
Advanced Engineering Research, 2011 The scientific basis for the dynamics and mechanical-mathematic simulation of the transport technological machines for agriculture as the multivariable oscillatory systems with holonomic and nonholonomic constraints under the non-stationary random ...
Viktor P. Zharov
doaj
Asymptotic Integration of a Certain Second-Order Linear Delay Differential Equation
Моделирование и анализ информационных систем, 2016 We construct some asymptotic formulas for solutions of a certain linear second-order delay differential equation when the independent variable tends to infinity. Two features concerning the considered equation should be emphasized. First, the coefficient
P. N. Nesterov
doaj +1 more source
Viability Study on the Use of Three Different Gels for 3D Food Printing
Gels, 2023 Three-dimensional food printing is one of the modern techniques for food customization. The difficulty of this technique lies in the formulation of new matrices.
Adrián Matas +4 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.Deep‐UV (258 nm) femtosecond pulses enable uniform amorphous silicon writing on Si(100)/(111) with a six‐fold larger fluence amorphization window than NIR methods. Optimized fluence and overlap yield 20–45 nm uniform and continuous amorphous layers. Microscopy shows sharp interfaces, and real‐time reflectivity reveals nanosecond melt–resolidification ...
Wissal Benali +5 more
wiley +1 more source
DYNAMICS AND MODELING OF TRANSPORT TECHNOLOGICAL MACHINES FOR AGRICULTURE
Вестник Донского государственного технического университета, 2018 The scientific basis for the dynamics and mechanical-mathematic simulation of the transport technological machines for agriculture as the multivariable oscillatory systems with holonomic and nonholonomic constraints under the non-stationary random ...
Viktor P. Zharov
doaj
Advanced Engineering Materials, EarlyView.Solvate ionic liquids lubrication reduced the coefficient of friction by ∼60% compared to dry sliding, reaching steady‐state values as low as 0.04–0.05. Corrosion weight‐loss measurements in 1 M HCl further demonstrated significant inhibition behavior, with only 100 ppm of [Li(G3)][TFSI] (∼68.5 μL/L) reducing corrosion‐product weight loss by 63 ...
Sameh Dabees +6 more
wiley +1 more source
Computing the matrix exponential with the double exponential formula
Special MatricesThis article considers the computation of the matrix exponential eA{{\rm{e}}}^{A} with numerical quadrature. Although several quadrature-based algorithms have been proposed, they focus on (near) Hermitian matrices.
Tatsuoka Fuminori +3 more
doaj +1 more source