Results 41 to 50 of about 175,165 (277)

New formats for computing with real-numbers under round-to-nearest [PDF]

open access: yes, 2015
An edited version of this work was accepted in IEEE Transactions on computers, DOI 10.1109/TC.2015.2479623In this paper, a new family of formats to deal with real number for applications requiring round to nearest is proposed. They are based on shifting
Hormigo-Aguilar, Javier   +1 more
core   +1 more source

Analyzing the effect of local rounding error propagation on the maximal attainable accuracy of the pipelined Conjugate Gradient method [PDF]

open access: yes, 2017
Pipelined Krylov subspace methods typically offer improved strong scaling on parallel HPC hardware compared to standard Krylov subspace methods for large and sparse linear systems.
Agullo, Emmanuel   +4 more
core   +4 more sources

Methods of Combating the Accumulation of Rounding Error When Solving Problems of Trans-Computational Complexity

open access: yesКібернетика та комп'ютерні технології
Introduction. The main attention is paid to the need to take into account estimates of rounding errors when solving problems of transcomputational complexity.
Valerii Zadiraka, Inna Shvidchenko
doaj   +1 more source

Explicit Optimal Hardness via Gaussian stability results [PDF]

open access: yes, 2013
The results of Raghavendra (2008) show that assuming Khot's Unique Games Conjecture (2002), for every constraint satisfaction problem there exists a generic semi-definite program that achieves the optimal approximation factor.
De, Anindya, Mossel, Elchanan
core   +3 more sources

Analysis of round-off errors

open access: yesApplied Mathematics Letters, 1992
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

Analysis of the Quantization Noise in Discrete Wavelet Transform Filters for 3D Medical Imaging

open access: yesApplied Sciences, 2020
Denoising and compression of 2D and 3D images are important problems in modern medical imaging systems. Discrete wavelet transform (DWT) is used to solve them in practice.
Nikolay Chervyakov   +2 more
doaj   +1 more source

Genetic attenuation of ALDH1A1 increases metastatic potential and aggressiveness in colorectal cancer

open access: yesMolecular Oncology, EarlyView.
Aldehyde dehydrogenase 1A1 (ALDH1A1) is a cancer stem cell marker in several malignancies. We established a novel epithelial cell line from rectal adenocarcinoma with unique overexpression of this enzyme. Genetic attenuation of ALDH1A1 led to increased invasive capacity and metastatic potential, the inhibition of proliferation activity, and ultimately ...
Martina Poturnajova   +25 more
wiley   +1 more source

ANALYSIS OF ROUND OFF ERRORS WITH REVERSIBILITY TEST AS A DYNAMICAL INDICATOR [PDF]

open access: yesInternational Journal of Bifurcation and Chaos, 2012
We compare the divergence of orbits and the reversibility error for discrete time dynamical systems. These two quantities are used to explore the behavior of the global error induced by round off in the computation of orbits. The similarity of results found for any system we have analyzed suggests the use of the reversibility error, whose computation ...
Faranda, Davide   +2 more
openaire   +6 more sources

Establishment of a humanized patient‐derived xenograft mouse model of high‐grade serous ovarian cancer for preclinical evaluation of combination immunotherapy

open access: yesMolecular Oncology, EarlyView.
We have established a humanized orthotopic patient‐derived xenograft (Hu‐oPDX) mouse model of high‐grade serous ovarian cancer (HGSOC) that recapitulates human tumor–immune interactions. Using combined anti‐PD‐L1/anti‐CD73 immunotherapy, we demonstrate the model's improved biological relevance and enhanced translational value for preclinical ...
Luka Tandaric   +10 more
wiley   +1 more source

Estimating and modelling bias of the hierarchical partitioning public-domain software: implications in environmental management and conservation. [PDF]

open access: yesPLoS ONE, 2010
BACKGROUND: Hierarchical partitioning (HP) is an analytical method of multiple regression that identifies the most likely causal factors while alleviating multicollinearity problems. Its use is increasing in ecology and conservation by its usefulness for
Pedro P Olea   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy