Results 11 to 20 of about 3,400,583 (308)

Projection

open access: yes, 2022
Projection contains the Matlab suite used to project the histoblast ...
Nicolas Tapon (7559015)
core   +1 more source

Probability density estimation using data projection

open access: yesLietuvos Matematikos Rinkinys, 2009
Nonparametric estimation of multivariate multimodal probability density is analysed. The projection pursuit density estimator was proposed by J.H. Friedman.
Mindaugas Kavaliauskas
doaj   +1 more source

The Index of a Pair of Projections

open access: yesJournal of Functional Analysis, 1994
The authors discuss pairs of self-adjoint projections with \(P- Q\in {\mathcal T}_{2n+ 1}\), the trace ideal, and prove that for \(m\geq n\), \[ \text{tr}(P- Q)^{2m+ 1}= \text{tr}(P- Q)^{2n+ 1}= \dim(\text{Ker } Q\cap \text{Ran } P)- \dim(\text{Ker } P\cap \text{Ran } Q) \] is an integer. They also prove that there exists a unitary \(V\) interchanging \
Avron, J., Seiler, R., Simon, B.
openaire   +2 more sources

Optimum projection angle for attaining maximum distance in a soccer punt kick [PDF]

open access: yes, 2011
Copyright @ Journal of Sports Science and Medicine 2011.This article has been made available through the Brunel Open Access Publishing Fund.To produce the greatest horizontal distance in a punt kick the ball must be projected at an appropriate angle ...
Linthorne, NP, Patel, DS
core   +2 more sources

Statistical Estimation of Discriminant Space using Various Projection Indices

open access: yesNonlinear Analysis, 2001
Projection pursuit is a method for finding interesting projections of high-dimensional multivariate data. Typically interesting projections are found by numerical maximizing some measure of non-normality of projected data (so-called projection index ...
R. Krikštolaitis
doaj   +1 more source

A PRELIMINARY STUDY ON CALCULATION METHOD OF VISUAL IMPACT OF URBAN ARCHITECTURAL HERITAGE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
Urban architectural heritage as a part of cultural heritage, its surrounding buildings will have a certain visual impact on the cultural heritage itself.
S. Yang   +5 more
doaj   +1 more source

Detection and visualization of non-linear structures in large datasets using Exploratory Projection Pursuit Laboratory (EPP-Lab) software

open access: yesJournal of King Saud University: Computer and Information Sciences, 2017
This article consists of using biologically inspired algorithms in order to detect potentially interesting structures in large and multidimensional data sets. Data exploration and the detection of interesting structures are based on the use of Projection
Souad Larabi Marie-Sainte
doaj   +1 more source

On Remotest set and Random controls in Kaczmarz algorithm

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2018
In this paper we analyse the Kaczmarz projection algorithm with Remotest set and Random control of projection indices and provide a suficient condition such that each projection index appears infinitely many times during the iterations.
Popa Constantin
doaj   +1 more source

Simultaneous Maximum-Likelihood Reconstruction of Absorption Coefficient, Refractive Index and Dark-Field Scattering Coefficient in X-Ray Talbot-Lau Tomography. [PDF]

open access: yesPLoS ONE, 2016
A maximum-likelihood reconstruction technique for X-ray Talbot-Lau tomography is presented. This technique allows the iterative simultaneous reconstruction of discrete distributions of absorption coefficient, refractive index and a dark-field scattering ...
André Ritter   +2 more
doaj   +1 more source

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