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  2. Diagonal lemma - Wikipedia

    en.wikipedia.org/wiki/Diagonal_lemma

    Intuitively, is a self-referential sentence: says that has the property .The sentence can also be viewed as a fixed point of the operation that assigns, to the equivalence class of a given sentence , the equivalence class of the sentence (#) (a sentence's equivalence class is the set of all sentences to which it is provably equivalent in the theory ).

  3. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).

  4. Diagonal formula - Wikipedia

    en.wikipedia.org/wiki/Diagonal_formula

    The formula developed by Aumann and Shapley to construct a Shapley value for non atomic games with a continuum of players Topics referred to by the same term This disambiguation page lists articles associated with the title Diagonal formula .

  5. Rule of Sarrus - Wikipedia

    en.wikipedia.org/wiki/Rule_of_Sarrus

    Rule of Sarrus: The determinant of the three columns on the left is the sum of the products along the down-right diagonals minus the sum of the products along the up-right diagonals. In matrix theory , the rule of Sarrus is a mnemonic device for computing the determinant of a 3 × 3 {\displaystyle 3\times 3} matrix named after the French ...

  6. Strikethrough - Wikipedia

    en.wikipedia.org/wiki/Strikethrough

    Strikethrough, or strikeout, is a typographical presentation of words with a horizontal line through their center, resulting in text like this, sometimes an X or a forward slash is typed over the top instead of using a horizontal line. [1]

  7. Table diagonalization - Wikipedia

    en.wikipedia.org/wiki/Table_diagonalization

    Diagonalization is the process of re-ordering the rows and columns of tables and charts so that the data forms an approximately diagonal line. [1] This makes it easier for people to see patterns in the data. Columns and rows are moved around until a diagonal pattern appears, thereby making it easy to see patterns in the data.

  8. Bracket (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Bracket_(mathematics)

    With some standard function when there is little chance of ambiguity, it is common to omit the parentheses around the argument altogether (e.g., ⁡). Note that this is never done with a general function f {\displaystyle f} , in which case the parenthesis are always included

  9. Five-point stencil - Wikipedia

    en.wikipedia.org/wiki/Five-point_stencil

    An illustration of the five-point stencil in one and two dimensions (top, and bottom, respectively). In numerical analysis, given a square grid in one or two dimensions, the five-point stencil of a point in the grid is a stencil made up of the point itself together with its four "neighbors".