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  2. Lookup table - Wikipedia

    en.wikipedia.org/wiki/Lookup_table

    A common solution is to initially compute the sine of many evenly distributed values, and then to find the sine of x we choose the sine of the value closest to x through array indexing operation. This will be close to the correct value because sine is a continuous function with a bounded rate of change.

  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. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    A single cell is usually referenced by its column and row (C2 would represent the cell containing the value 30 in the example table below). Usually rows, representing the dependent variables, are referenced in decimal notation starting from 1, while columns representing the independent variables use 26-adic bijective numeration using the ...

  5. Microsoft Office 2007 - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Office_2007

    Whenever any table is updated, all reports referencing the table are also updated. Dropdown lists for a table can be modified in place. Lookup Fields, which get their values by "looking up" some value in a table, have been updated to support multi valued lookups. Many new preset schemata are included.

  6. Talk:Reed–Solomon error correction - Wikipedia

    en.wikipedia.org/wiki/Talk:Reed–Solomon_error...

    Note the lookup table takes more gates, but there are fewer gate stages and the propagation time is less than the sub-field method. multi-layer type RS code algorithms - Used in cd-roms, dvds, magnetic tape. Treated as a matrix, where the innner layer rows typically have weak RS code, while the outer layer columns have a strong RS code. The ...

  7. Extract, transform, load - Wikipedia

    en.wikipedia.org/wiki/Extract,_transform,_load

    A new dimension row is added with the new state of the source system; a new surrogate key is assigned; source key is no longer unique in the lookup table Fully logged A new dimension row is added with the new state of the source system, while the previous dimension row is updated to reflect it is no longer active and time of deactivation.

  8. Functional dependency - Wikipedia

    en.wikipedia.org/wiki/Functional_dependency

    We notice that whenever two rows in this table feature the same StudentID, they also necessarily have the same Semester values. This basic fact can be expressed by a functional dependency: StudentID → Semester. If a row was added where the student had a different value of semester, then the functional dependency FD would no longer exist.

  9. Database model - Wikipedia

    en.wikipedia.org/wiki/Database_model

    The flat (or table) model consists of a single, two-dimensional array of data elements, where all members of a given column are assumed to be similar values, and all members of a row are assumed to be related to one another. For instance, columns for name and password that might be used as a part of a system security database.