Results 1 to 10 of about 24,857 (199)

Two-dimensional Haar Wavelet Method for Numerical Solution of Delay Partial Differential Equations

open access: yesJournal of Function Spaces, 2022
In this paper, a two-dimensional Haar wavelet collocation method is applied to obtain the numerical solution of delay and neutral delay partial differential equations. Both linear and nonlinear problems can be solved using this method.
Rohul Amin   +4 more
doaj   +1 more source

Non-dyadic Haar Wavelet Algorithm for the Approximated Solution of Higher order Integro-Differential Equations

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2023
The objective of this study is to explore non-dyadic Haar wavelets for higher order integro-differential equations. In this research article, non-dyadic collocation method is introduced by using Haar wavelet for approximating the solution of higher order
Ratesh Kumar, Sabiha Bakhtawar
doaj   +1 more source

Time-scale analysis of abrupt changes corrupted by multiplicative noise [PDF]

open access: yes, 2000
Multiplicative Abrupt Changes (ACs) have been considered in many applications. These applications include image processing (speckle) and random communication models (fading).
Castanié, Francis   +2 more
core   +2 more sources

Implementasi Transformasi Wavelet Daubechies pada Kompresi Citra Digital

open access: yesCauchy: Jurnal Matematika Murni dan Aplikasi, 2013
Proses kompresi merupakan proses mereduksi ukuran suatu data untuk menghasilkan representasi digital yang padat atau mampat, namun tetap dapat mewakili kuantitas informasi yang terkandung pada data tersebut.
Suma'inna Suma'inna, Gugun Gumilar
doaj   +1 more source

Wavelets in Combination with Stochastic and Machine Learning Models to Predict Agricultural Prices

open access: yesMathematics, 2023
Wavelet decomposition in signal processing has been widely used in the literature. The popularity of machine learning (ML) algorithms is increasing day by day in agriculture, from irrigation scheduling and yield prediction to price prediction.
Sandip Garai   +6 more
doaj   +1 more source

Permeability up-scaling using Haar Wavelets [PDF]

open access: yesTransport in Porous Media, 2006
Accepted for pubblication on Transport in Porous Media June ...
Pancaldi, V.   +2 more
openaire   +2 more sources

Approximations to linear Klein–Gordon Equations using Haar wavelet

open access: yesAin Shams Engineering Journal, 2021
In this research article, two Haar wavelet collocation methods (HWCMs) (namely one dimensional HWCM and two dimensional HWCM) are adapted to approximate linear homogeneous and linear non-homogeneous Klein–Gordon equations.
Sana Ikram   +2 more
doaj   +1 more source

Approximation algorithms for wavelet transform coding of data streams [PDF]

open access: yes, 2006
This paper addresses the problem of finding a B-term wavelet representation of a given discrete function $f \in \real^n$ whose distance from f is minimized.
Guha, Sudipto, Harb, Boulos
core   +8 more sources

Assessment of Haar Wavelet-Quasilinearization Technique in Heat Convection-Radiation Equations

open access: yesApplied Computational Intelligence and Soft Computing, 2014
We showed that solutions by the Haar wavelet-quasilinearization technique for the two problems, namely, (i) temperature distribution equation in lumped system of combined convection-radiation in a slab made of materials with variable thermal conductivity
Umer Saeed, Mujeeb ur Rehman
doaj   +1 more source

Discrete differential operators in multidimensional Haar wavelet spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2004
We consider a class of discrete differential operators acting on multidimensional Haar wavelet basis with the aim of finding wavelet approximate solutions of partial differential problems.
Carlo Cattani, Luis M. Sánchez Ruiz
doaj   +1 more source

Home - About - Disclaimer - Privacy