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  2. 6174 - Wikipedia

    en.wikipedia.org/wiki/6174

    Take any four-digit number, using at least two different digits (leading zeros are allowed). Arrange the digits in descending and then in ascending order to get two four-digit numbers, adding leading zeros if necessary. Subtract the smaller number from the bigger number. Go back to step 2 and repeat.

  3. Leading zero - Wikipedia

    en.wikipedia.org/wiki/Leading_zero

    Leading zeros are also present whenever the number of digits is fixed by the technical system (such as in a memory register), but the stored value is not large enough to result in a non-zero most significant digit. [7] The count leading zeros operation efficiently determines the number of leading zero bits in a machine word. [8]

  4. Pivot table - Wikipedia

    en.wikipedia.org/wiki/Pivot_table

    A pivot table is a table of values which are aggregations of groups of individual values from a more extensive table (such as from a database, spreadsheet, or business intelligence program) within one or more discrete categories. The aggregations or summaries of the groups of the individual terms might include sums, averages, counts, or other ...

  5. Help:Sortable tables - Wikipedia

    en.wikipedia.org/wiki/Help:Sortable_tables

    Leading zeroes are not necessary for numerical sorting of a column. If it seems that way, then that means the column is being sorted alphabetically. Look in the first 5 cells for anything other than numbers, and correct those cells according to these rules. Better yet, add data-sort-type=number to the column header. Later editing by other ...

  6. Tables (Google) - Wikipedia

    en.wikipedia.org/wiki/Tables_(Google)

    Tables allows users to import data directly from a Google Sheet or CSV file, and also performs a one-way recurring sync of data from a table into Google Sheets. [16] Person-type columns in Tables allow the user to search for and select Google users from your Gmail contacts.

  7. Gaussian elimination - Wikipedia

    en.wikipedia.org/wiki/Gaussian_elimination

    For each row in a matrix, if the row does not consist of only zeros, then the leftmost nonzero entry is called the leading coefficient (or pivot) of that row. So if two leading coefficients are in the same column, then a row operation of type 3 could be used to make one of those coefficients zero. Then by using the row swapping operation, one ...

  8. Row echelon form - Wikipedia

    en.wikipedia.org/wiki/Row_echelon_form

    The leading entry (that is, the left-most nonzero entry) of every nonzero row, called the pivot, is on the right of the leading entry of every row above. [ 2 ] Some texts add the condition that the leading coefficient must be 1 [ 3 ] while others require this only in reduced row echelon form .

  9. Help:Conditional tables - Wikipedia

    en.wikipedia.org/wiki/Help:Conditional_tables

    The table below shows the output from a template call (we'll call the template {{Conditional tables/example 1}}) with different values for {{{variable_foo}}}: Template call Result