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set_column_formula [Sat Nov 27 23:58:38 2010] Alexander |
set_column_formula [Mon Jan 18 17:35:05 2021] (current) Alexander |
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====== Setting Column Formula ====== | ====== Setting Column Formula ====== | ||
- | Use Table -> Set Column Formula menu item to open column | + | === There are two ways to set formula |
- | See [[formula|formula | + | 1. Select column and write formula |
- | {{: | + | {{: |
+ | |||
+ | 2. Use '' | ||
+ | |||
+ | {{: | ||
===== Row Index ===== | ===== Row Index ===== | ||
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===== Auto Recalculation on Data Change ===== | ===== Auto Recalculation on Data Change ===== | ||
- | MagicPlot can automatically recalculate formula when data in used columns | + | MagicPlot can automatically recalculate formula when data in used columns |
== Example == | == Example == | ||
- | * Set formula '' | + | * Set formula '' |
===== Formula Menu in Column Context Menu ===== | ===== Formula Menu in Column Context Menu ===== | ||
You can edit column formula and change auto recalculation mode from column context menu or menu '' | You can edit column formula and change auto recalculation mode from column context menu or menu '' | ||
- | {{: | + | {{: |
- | ===== What is " | + | ===== “Argument |
Some mathematical functions can be defined only on a certain interval. For example, square root ('' | Some mathematical functions can be defined only on a certain interval. For example, square root ('' | ||
The calculations are not terminated if NaN value occurs in some row(s). | The calculations are not terminated if NaN value occurs in some row(s). | ||
- | In some cases you may want to check if a '' | + | In some cases you may want to check if a '' |
===== See Also ===== | ===== See Also ===== | ||
- | * [[formula|Formula syntax]] | + | * [[expressions]] |