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8 results found.

Resource types: Print book E-book Article Journal Thesis Chapter
Academic search
Electrostatics of nanosystems: Application to microtubules and the ribosome
Article
Article
Nathan Baker; David Sept; Simpson Joseph; Michael Holst; J. Andrew McCammon · Proceedings of the National Academy of Sciences · 2001
Evaluation of the electrostatic properties of biomolecules has become a standard practice in molecular biophysics. Foremost among the models used to elucidate the electrostatic potential is the Poisson-Boltzmann equation...
Idioma English
Página del recurso disponiblePágina de referencia del recurso. El texto completo no está confirmado automáticamente.
Página del recurso
Modeling sonic logs in oil wells: a comparison of neural networks ensembles and kernel methods
Text / resource
Text / resource
Granitto, Pablo Miguel et al · SEDICI UNLP · 2001
Oil well logs are frequently used to determine the mineralogy and physical properties of potential reservoir rocks, and the nature of the fluids they contain. Recently we reported an exploratory use of neural network ens...
Idioma English
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
A new method to compute second derivatives
Article
Article
Scolnik, Hugo Daniel et al · SEDICI UNLP · 2001
In this article we consider the problem of computing approximations to the second derivatives of functions of n variables using finite differences. We show how to derive different formulas and how to comput the errors of...
Idioma English
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Magellanic Cloud WC/WO Wolf-Rayet stars : II. Colliding winds in binaries
Article
Article
Bartzakos, P. et al · SEDICI UNLP · 2001
A search for evidence of colliding winds is undertaken among the four certain Magellanic Cloud WC/WO spectroscopic binaries found in the companion Paper I, as well as among two Galactic WC/WO binaries of very similar sub...
Idioma English
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Active contours without edges
Article
Article
Tony F. Chan; Luminita A. Vese · IEEE Transactions on Image Processing · 2001
We propose a new model for active contours to detect objects in a given image, based on techniques of curve evolution, Mumford-Shah (1989) functional for segmentation and level sets. Our model can detect objects whose bo...
Idioma English
Página del recurso disponiblePágina de referencia del recurso. El texto completo no está confirmado automáticamente.
Página del recurso
Greedy function approximation: A gradient boosting machine.
Article
Article
Jerome H. Friedman · The Annals of Statistics · 2001
Function estimation/approximation is viewed from the perspective of numerical optimization in function space, rather than parameter space. A connection is made between stagewise additive expansions and steepest-descent m...
Idioma English
El enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Simulated annealing ray tracing in complex 3-D media
Article
Article
Velis, Danilo Rubén et al · SEDICI UNLP · 2001
Simulated annealing has been applied to seismic ray tracing to determine the minimum traveltime ray path connecting two points in complex 3-D media. In contrast to conventional ray tracing schemes such as shooting and be...
Idioma English
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
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