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In combinatorics, the twelvefold way is a systematic classification of 12 related enumerative problems concerning two finite sets, which include the classical problems of counting permutations, combinations, multisets, and partitions either of a set or of a number. The idea of the classification is credited to Gian-Carlo Rota, and the name was ...
sourcecode. [19] PknotsRG. A dynamic programming algorithm for the prediction of a restricted class (H-type) of RNA pseudoknots. Yes. sourcecode, webserver. [20] RNA123. Secondary structure prediction via thermodynamic-based folding algorithms and novel structure-based sequence alignment specific for RNA.
Glossary. v. t. e. AlphaFold is an artificial intelligence (AI) program developed by DeepMind, a subsidiary of Alphabet, which performs predictions of protein structure. [1] The program is designed as a deep learning system. [2] AlphaFold software has had three major versions. A team of researchers that used AlphaFold 1 (2018) placed first in ...
Flood fill. Recursive flood fill with 4 directions. Flood fill, also called seed fill, is a flooding algorithm that determines and alters the area connected to a given node in a multi-dimensional array with some matching attribute. It is used in the "bucket" fill tool of paint programs to fill connected, similarly-colored areas with a different ...
An aperiodic tiling using a single shape and its reflection, discovered by David Smith. An aperiodic tiling is a non-periodic tiling with the additional property that it does not contain arbitrarily large periodic regions or patches. A set of tile-types (or prototiles) is aperiodic if copies of these tiles can form only non- periodic tilings.
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Eightfold way (physics) The pseudoscalar meson octet. Particles along the same horizontal line share the same strangeness, s, while those on the same left-leaning diagonals share the same charge, q (given as multiples of the elementary charge ). In physics, the eightfold way is an organizational scheme for a class of subatomic particles known ...
Cross-validation (statistics) Comparing the cross-validation accuracy and percent of false negative (overestimation) of five classification models. Size of bubbles represent the standard deviation of cross-validation accuracy (tenfold). [ 1] Diagram of k-fold cross-validation. Cross-validation, [ 2][ 3][ 4] sometimes called rotation estimation ...