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  2. Firing squad synchronization problem - Wikipedia

    en.wikipedia.org/wiki/Firing_squad...

    For the firing squad problem, the line consists of a finite number of cells, and the rule according to which each machine transitions to the next state should be the same for all of the cells interior to the line, but the transition functions of the two endpoints of the line are allowed to differ, as these two cells are each missing a neighbor ...

  3. Multiplicative cascade - Wikipedia

    en.wikipedia.org/wiki/Multiplicative_cascade

    To create these distributions there are a few steps to take. Firstly, we must create a lattice of cells which will be our underlying probability density field. Secondly, an iterative process is followed to create multiple levels of the lattice: at each iteration the cells are split into four equal parts (cells).

  4. Visual cortex - Wikipedia

    en.wikipedia.org/wiki/Visual_cortex

    In terms of anatomy, V2 is split into four quadrants, a dorsal and ventral representation in the left and the right hemispheres. Together, these four regions provide a complete map of the visual world. V2 has many properties in common with V1: Cells are tuned to simple properties such as orientation, spatial frequency, and color.

  5. Matrix splitting - Wikipedia

    en.wikipedia.org/wiki/Matrix_splitting

    If, for an arbitrary n × n matrix M, M has nonnegative entries, we write M ≥ 0. If M has only positive entries, we write M > 0. Similarly, if the matrix M 1 − M 2 has nonnegative entries, we write M 1 ≥ M 2. Definition: A = B − C is a regular splitting of A if B −1 ≥ 0 and C ≥ 0. We assume that matrix equations of the form

  6. Quadtree - Wikipedia

    en.wikipedia.org/wiki/Quadtree

    A quadtree is a tree data structure in which each internal node has exactly four children. Quadtrees are the two-dimensional analog of octrees and are most often used to partition a two-dimensional space by recursively subdividing it into four quadrants or regions. The data associated with a leaf cell varies by application, but the leaf cell ...

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  8. Branch and cut - Wikipedia

    en.wikipedia.org/wiki/Branch_and_cut

    This description assumes the ILP is a maximization problem.. The method solves the linear program without the integer constraint using the regular simplex algorithm.When an optimal solution is obtained, and this solution has a non-integer value for a variable that is supposed to be integer, a cutting plane algorithm may be used to find further linear constraints which are satisfied by all ...

  9. Best Index Funds for November 2024 - AOL

    www.aol.com/9-best-index-funds-2023-221420441.html

    4. Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX) The aim of Vanguard’s Total Stock Market Index Fund is to give investors exposure to all U.S. equities, including small-, mid ...