Results 101 to 110 of about 67,137 (234)

Matricial Gaussian quadrature rules: Nonsingular case

open access: yesLinear Algebra and its Applications
Let $L$ be a linear operator on univariate polynomials of bounded degree, mapping into real symmetric matrices, such that its moment matrix is positive definite. It is known that $L$ admits a finitely atomic positive matrix-valued representing measure $μ$. Any $μ$ with the smallest sum of the ranks of the matricial masses is called minimal.
Zalar, Aljaž, Zobovič, Igor
openaire   +2 more sources

SDFs from Unoriented Point Clouds using Neural Variational Heat Distances

open access: yesComputer Graphics Forum, EarlyView.
We propose a novel variational approach for computing neural Signed Distance Fields (SDF) from unoriented point clouds. We first compute a small time step of heat flow (middle) and then use its gradient directions to solve for a neural SDF (right). Abstract We propose a novel variational approach for computing neural Signed Distance Fields (SDF) from ...
Samuel Weidemaier   +5 more
wiley   +1 more source

Generalized anti-Gauss quadrature rules

open access: yesJournal of Computational and Applied Mathematics, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Pranić, Miroslav S., Reichel, Lothar
openaire   +1 more source

Life Cycle Consumption and Portfolio Choice Under Real Interest Rate Risk

open access: yesFinancial Management, EarlyView.
ABSTRACT We set up a life cycle model with real interest rate risk to demonstrate that real interest rates have implications for optimal household consumption and investments. Lower interest rates lead to higher optimal stock investments and lower consumption.
Marcel Fischer, Natascha Jankowski
wiley   +1 more source

Some Multistep Iterative Methods for Nonlinear Equation Using Quadrature Rule

open access: yesInternational Journal of Analysis and Applications, 2020
We introduce a sequence of third and fourth order iterative schemes to determine the roots of nonlinear equations by applying quadrature formula and decomposition approach.
Gul Sana   +2 more
doaj  

Lp –Error Bounds of Two and Three–Point Quadrature Rules For Riemann–Stieltjes Integrals

open access: yesMoroccan Journal of Pure and Applied Analysis, 2018
In this work, Lp-error estimates of general two and three point quadrature rules for Riemann-Stieltjes integrals are given. The presented proofs depend on new triangle type inequalities of Riemann-Stieltjes integrals.
Alomari Mohammad W., Guessab Allal
doaj   +1 more source

The Decentralization of Liquor Policies in Texas During the Post‐Prohibition Era

open access: yesInternational Economic Review, EarlyView.
ABSTRACT We examine the decentralization of liquor policies in Texas during the Post‐Prohibition era using newly collected historical legislative roll call data. By combining these data with local referendum vote shares, we analyze both legislators' and constituents' preferences on liquor policy.
Andrew Arnold, Holger Sieg
wiley   +1 more source

Fractional Error Bounds for Lobatto Quadrature: A Convexity Approach via Riemann–Liouville Integrals

open access: yesAxioms
In this paper, we establish a new fractional integral identity linked to the 4-point Lobatto quadrature rule within the Riemann–Liouville fractional calculus framework.
Li Liao   +4 more
doaj   +1 more source

Specification Tests for Jump‐Diffusion Models Based on the Characteristic Function

open access: yesInternational Statistical Review, EarlyView.
Summary Goodness‐of‐fit tests are suggested for several popular jump‐diffusion processes. The suggested test statistics utilise the marginal characteristic function of the model and its L2‐type discrepancy from an empirical counterpart. Model parameters are estimated either by minimising the aforementioned L2‐type discrepancy or by maximum likelihood ...
Gerrit Lodewicus Grobler   +3 more
wiley   +1 more source

Numerical cubature from Archimedes' hat-box theorem

open access: yes, 2004
Archimedes' hat-box theorem states that uniform measure on a sphere projects to uniform measure on an interval. This fact can be used to derive Simpson's rule.
Kuperberg, Greg
core  

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