Results 61 to 70 of about 22,685,320 (370)
Fourier Analysis for Stock Price Forecasting: Assumption and Evidence
The research addressed the relevant question whether the Fourier analysis really provides practical value for investors forecasting stock market price. To answer this question, the significant cycles were discovered using the Fourier analysis inside the ...
Bohumil Stádník+2 more
semanticscholar +1 more source
A novel metadata schema is introduced to address the sparsity of microstructure‐sensitive mechanical data. The design follows the material modeling workflow, as each run results in the definition of unique data objects. The schema includes categorical elements to ensure findability, accessibility, interoperability, and reusability (FAIR). This approach
Ronak Shoghi, Alexander Hartmaier
wiley +1 more source
A class of nonlinear variational problems describing incompressible fluids and solids by stationary Stokes equations given in a planar domain with a crack (infinitely thin flat plate in fluids) is considered.
Victor A. Kovtunenko, Kohji Ohtsuka
doaj +1 more source
Time series of air temperature and sea surface temperature in South Kuril region in July and August are extrapolated to 2020–2024 using modified method of Fourier decomposition. Both cyclic harmonic components and linear trend are accounted.
T. A. Shatilina+2 more
doaj +1 more source
Developing process parameters for the laser‐based Powder Bed Fusion of metals can be a tedious task. Based on melt pool depth, the process parameters are transferable to different laser scan speeds. For this, understanding the melt pool scaling behavior is essential, particularly for materials with high thermal diffusivity, as a change in scaling ...
Markus Döring+2 more
wiley +1 more source
Paleotemperature time series reconstructed from δ¹⁸O changes in Belukha ice core were expanded into several heteroperiodic sinusoidal functions with the help of the spectral Fourier analysis.
T. S. Papina+3 more
doaj +1 more source
Analysis and contrast of Chadian-Senegalese Covid-19 outbreaks
As COVID-19 is an emerging pandemic, analysing its evolution is necessary to understand it in order to find appropriate answers. In this paper, we aim to observe and analyse it at the Chadian-Senegalese level.
Yaya Youssouf Yaya+2 more
doaj +1 more source
On Fourier re-expansions [PDF]
We study an extension to Fourier transforms of the old problem on absolute convergence of the re-expansion in the sine (cosine) Fourier series of an absolutely convergent cosine (sine) Fourier series. The results are obtained by revealing certain relations between the Fourier transforms and their Hilbert transforms.
arxiv
A note on the Vilenkin-Fourier coefficients [PDF]
The main aim of this paper is to find the estimation for Vilenkin-Fourier coefficients.
arxiv +1 more source
Nonlinear Fourier analysis [PDF]
On presente l'analyse de Fourier non lineaire sur un certain nombre d'exemples. On etudie les techniques generales.
openaire +3 more sources