Results 1 to 10 of about 199,454 (138)

An Object-Oriented Framework for Robust Multivariate Analysis [PDF]

Journal of Statistical Software, 2009
Taking advantage of the S4 class system of the programming environment R, which facilitates the creation and maintenance of reusable and modular components, an object-oriented framework for robust multivariate analysis was developed.
Valentin Todorov, Peter Filzmoser
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Bifurcation analysis and optical soliton perturbation with Radhakrishnan–Kundu–Lakshmanan equation [PDF]

Proceedings of the Estonian Academy of Sciences, 2023
This paper addresses Radhakrishnan–Kundu–Lakshmanan equation that arises in the study of soliton dynamics in optical fibers. The bifurcation analysis is carried out and the phase portraits are displayed.
Lu Tang, Anjan Biswas, Yakup Yıldırım, Maggie Aphane, Abdulah A. Alghamdi   +4 more
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Multiplicative brownian motion stabilizes traveling wave solutions and dynamical behavior analysis of the stochastic Davey–Stewartson equations

Results in Physics, 2023
This article investigates the traveling wave solutions of the stochastic Davey–Stewartson equations based on the theory of the complete discriminant system of quadratic polynomials.
Chunyan Liu, Zhao Li
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Optical wave patterns of nonlinear Schrödinger equation with anti-cubic nonlinearity in optical fiber

Results in Physics, 2021
This paper studies the anti-cubic nonlinear Schrödinger equation which describes the nonlinear dynamics of pulse propagation in optical metamaterials.
Fan Sun
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New optical soliton solutions to the (n+1) dimensional time fractional order Sinh-Gordon equation

Results in Physics, 2023
This article studies and constructs new optical soliton solutions for the (n+1)-dimensional time fractional order Sinh-Gordon equation. First, we change the differential equation into Ordinary differential equation which is connected with a quartic ...
Da Shi, Zhao Li
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Sex Recognition of Skulls in Chinese Uygur [PDF]

Fayixue Zazhi, 2019
Objective Logistic regression method was used to establish a multiple regression sex discriminant function to discriminate the complete skull model and the incomplete skull model without frontal bone, occipital bone and mandible of Uygur adults in Turpan,
YANG Wen,LIU Xiao-ning,ZHU Fei,et al.
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Optical solitons with perturbed complex Ginzburg–Landau equation in kerr and cubic–quintic–septic nonlinearity

Results in Physics, 2022
This paper secures exact solutions from perturbed complex Ginzburg–Landau equation that is taken into account with Kerr law and cubic–quintic–septic nonlinearity.
Ming-Yue Wang
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The traveling wave solution and dynamics analysis of the parabolic law nonlinear stochastic dispersive Schrödinger-Hirota equation with multiplicative white noise

Results in Physics, 2023
This article investigates the traveling wave solution of the parabolic law nonlinear stochastic dispersive Schrödinger-Hirota equation with multiplicative white noise, and its conclusions can be applied to optical communication.
Chunyan Liu, Da Shi, Zhao Li
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New optical soliton solutions to the coupled fractional Lakshmanan–Porsezian–Daniel equations with Kerr law of nonlinearity

Results in Physics, 2023
This article studies the optical soliton solutions of the coupled fractional Lakshmanan–Porsezian–Daniel equations with kerr’s law nonlinearity based on the complete discriminant system of cubic polynomials. By means of traveling wave transformation, the
Da Shi, Chunyan Liu, Zhao Li
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Nondestructive Detection of Pear with Early-stage Core Browning Based on Empirical Mode Decomposition of Vibro-acoustic Signals [PDF]

Shipin Kexue, 2023
In this study, a nondestructive vibro-acoustic setup was employed to acquire the vibro-acoustic signals of pear fruit. The signals were decomposed using the empirical mode decomposition (EMD).
LI He, ZHAO Kang, ZHA Zhihua, WU Jie
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