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  2. Orchard-planting problem - Wikipedia

    en.wikipedia.org/wiki/Orchard-planting_problem

    An arrangement of nine points (related to the Pappus configuration) forming ten 3-point lines.. In discrete geometry, the original orchard-planting problem (or the tree-planting problem) asks for the maximum number of 3-point lines attainable by a configuration of a specific number of points in the plane.

  3. Nested set model - Wikipedia

    en.wikipedia.org/wiki/Nested_set_model

    The nested set model is a technique for representing nested set collections (also known as trees or hierarchies) in relational databases.. It is based on Nested Intervals, that "are immune to hierarchy reorganization problem, and allow answering ancestor path hierarchical queries algorithmically — without accessing the stored hierarchy relation".

  4. List of phylogenetic tree visualization software - Wikipedia

    en.wikipedia.org/wiki/List_of_phylogenetic_tree...

    A viewer capable of viewing multiple overlaid trees. All [23] FigTree: Simple Java tree viewer able to read newick and nexus tree files. Can be used to color branches and produce vector artwork. All [24] JEvTrace A multivalent browser for sequence alignment, phylogeny, and structure.

  5. List of phylogenetics software - Wikipedia

    en.wikipedia.org/wiki/List_of_phylogenetics_software

    An algorithm for clonal tree reconstruction from multi-sample cancer sequencing data. Maximum Likelihood, Integer Linear Programming (ILP) M. El-Kebir, L. Oesper, H. Acheson-Field, B. J. Raphael AliGROOVE [3] Visualisation of heterogeneous sequence divergence within multiple sequence alignments and detection of inflated branch support

  6. List of datasets for machine-learning research - Wikipedia

    en.wikipedia.org/wiki/List_of_datasets_for...

    Collection of public documents, whitepapers and articles about APT campaigns. All the documents are publicly available data. This data is not pre-processed. The GitHub repository of the project contains a file with links to the data stored in box. Data files can also be downloaded here. [351] APT Notes arXiv Cryptography and Security papers

  7. Tree traversal - Wikipedia

    en.wikipedia.org/wiki/Tree_traversal

    In computer science, tree traversal (also known as tree search and walking the tree) is a form of graph traversal and refers to the process of visiting (e.g. retrieving, updating, or deleting) each node in a tree data structure, exactly once. Such traversals are classified by the order in which the nodes are visited.

  8. Prüfer sequence - Wikipedia

    en.wikipedia.org/wiki/Prüfer_sequence

    For a given sequence S of length n − 2 on the labels 1 to n, there is a unique labeled tree whose Prüfer sequence is S. The immediate consequence is that Prüfer sequences provide a bijection between the set of labeled trees on n vertices and the set of sequences of length n − 2 on the labels 1 to n .

  9. Zen of Python - Wikipedia

    en.wikipedia.org/wiki/Zen_of_Python

    The Zen of Python is a collection of 19 "guiding principles" for writing computer programs that influence the design of the Python programming language. [1] Python code that aligns with these principles is often referred to as "Pythonic". [2] Software engineer Tim Peters wrote this set of principles and posted it on the Python mailing list in ...