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  2. Tarjan's strongly connected components algorithm - Wikipedia

    en.wikipedia.org/wiki/Tarjan's_strongly_connected...

    It also maintains a value v.lowlink that represents the smallest index of any node on the stack known to be reachable from v through v's DFS subtree, including v itself. Therefore v must be left on the stack if v.lowlink < v.index, whereas v must be removed as the root of a strongly connected component if v.lowlink == v.index.

  3. Iterative deepening depth-first search - Wikipedia

    en.wikipedia.org/wiki/Iterative_deepening_depth...

    In computer science, iterative deepening search or more specifically iterative deepening depth-first search [1] (IDS or IDDFS) is a state space/graph search strategy in which a depth-limited version of depth-first search is run repeatedly with increasing depth limits until the goal is found.

  4. Depth-first search - Wikipedia

    en.wikipedia.org/wiki/Depth-first_search

    Depth-first search (DFS) is an algorithm for traversing or searching tree or graph data structures. The algorithm starts at the root node (selecting some arbitrary node as the root node in the case of a graph) and explores as far as possible along each branch before backtracking.

  5. Discrete Fourier series - Wikipedia

    en.wikipedia.org/wiki/Discrete_Fourier_series

    The result of the series is also a function of the discrete variable, i.e. a discrete sequence. A Fourier series, by nature, has a discrete set of components with a discrete set of coefficients, also a discrete sequence. So a DFS is a representation of one sequence in terms of another sequence.

  6. Discrete-time Fourier transform - Wikipedia

    en.wikipedia.org/wiki/Discrete-time_Fourier...

    And [] can be expressed in terms of the inverse transform, which is sometimes referred to as a Discrete Fourier series (DFS): [1]: p 542 s [ n ] = 1 N ∑ N S [ k ] ⋅ e i 2 π k N n ⏟ any k-sequence of length N , n ∈ Z . {\displaystyle s[n]={\frac {1}{N}}\underbrace {\sum _{N}S[k]\cdot e^{i2\pi {\frac {k}{N}}n}} _{\text{any k-sequence of ...

  7. 15 Easy Appetizers You Can Make Ahead of Christmas Day - AOL

    www.aol.com/15-easy-appetizers-ahead-christmas...

    Shrimp Dip. Whip up this nostalgic dip the day before and refrigerate it overnight. All you'll need to do is add a layer of cocktail sauce and a side of crackers for dipping.

  8. Understanding eligible expenses for HRAs, QSEHRAs, and ICHRAs

    www.aol.com/understanding-eligible-expenses-hras...

    The reimbursement is tax-free for the employee. Unused HRA balances can roll over month to month or year to year, depending on the terms of the HRA. HRAs: Eligible Medical Expenses

  9. List of open-source bioinformatics software - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source...

    Python language toolkit Cross-platform: Biopython [2] Open Bioinformatics Foundation: BioRuby: Ruby language toolkit Linux, macOS, Windows [3] GPL v2 or Ruby: Open Bioinformatics Foundation: BLAST: Algorithm and program for comparing primary biological sequence information, including DNA and protein sequences. Cross-platform: Public domain