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  2. Non-Hausdorff manifold - Wikipedia

    en.wikipedia.org/wiki/Non-Hausdorff_manifold

    Similar to the line with two origins is the branching line.. This is the quotient space of two copies of the real line {} {} with the equivalence relation (,) (,) <. This space has a single point for each negative real number and two points , for every non-negative number: it has a "fork" at zero.

  3. Comparison of version-control software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_version...

    push branch – commit –branch clone/open update N/A add rm/del mv/rename N/A merge commit revert Fossil's repository is single sqlite file itself N/A Git: init – init –bare clone – clone –bare fetch push branch checkout pull N/A add rm mv cp [then] git add [nb 67] merge commit reset –hard bundle rebase Mercurial: init clone pull push

  4. Branch predictor - Wikipedia

    en.wikipedia.org/wiki/Branch_predictor

    Because the next-line predictor is so inaccurate, and the branch resolution recurrence takes so long, both cores have two-cycle secondary branch predictors that can override the prediction of the next-line predictor at the cost of a single lost fetch cycle. The Intel Core i7 has two branch target buffers and possibly two or more branch ...

  5. Branching (version control) - Wikipedia

    en.wikipedia.org/wiki/Branching_(version_control)

    The users of the version control system can branch any branch. Branches are also known as trees, streams or codelines. The originating branch is sometimes called the parent branch, the upstream branch (or simply upstream, especially if the branches are maintained by different organizations or individuals), or the backing stream.

  6. Line–line intersection - Wikipedia

    en.wikipedia.org/wiki/Lineline_intersection

    Assume that we want to find intersection of two infinite lines in 2-dimensional space, defined as a 1 x + b 1 y + c 1 = 0 and a 2 x + b 2 y + c 2 = 0. We can represent these two lines in line coordinates as U 1 = (a 1, b 1, c 1) and U 2 = (a 2, b 2, c 2). The intersection P′ of two lines is then simply given by [4]

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    mail.aol.com

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  8. Branch point - Wikipedia

    en.wikipedia.org/wiki/Branch_point

    A branch of the logarithm is a continuous function L(z) giving a logarithm of z for all z in a connected open set in the complex plane. In particular, a branch of the logarithm exists in the complement of any ray from the origin to infinity: a branch cut. A common choice of branch cut is the negative real axis, although the choice is largely a ...

  9. Branch and bound - Wikipedia

    en.wikipedia.org/wiki/Branch_and_bound

    The following is the skeleton of a generic branch and bound algorithm for minimizing an arbitrary objective function f. [3] To obtain an actual algorithm from this, one requires a bounding function bound, that computes lower bounds of f on nodes of the search tree, as well as a problem-specific branching rule.