Trace:
Differences
This shows you the differences between two versions of the page.
Next revision | Previous revision | ||
reporting_engine_formula_edition_rules [2018/12/05 16:46] admin created |
— (current) | ||
---|---|---|---|
Line 1: | Line 1: | ||
- | =====Formula Edition Rules===== | ||
- | In many applications it is necessary to provide the user with the ability to change the calculation formulas without compiling the software. | ||
- | |||
- | We use the functionality of [[http://zone.ni.com/reference/en-XX/help/371361K-01/lvhowto/formula_node_and_express/|National Instruments labview]] | ||
- | |||
- | When editing formulas you can use the following functions:\\ | ||
- | СВЕТА - ВСТАВЬ ТАБЛИЦУ с функциями и с линками на описание функций на сайт NI\\ | ||
- | |||
- | You can use multiple expressions and define internal variables like a1..a9, b1..b9, etc.\\ | ||
- | Example:\\ | ||
- | <code> | ||
- | a1 = abs(Mean) - abs(Min) + rand(1); | ||
- | a2 = abs(Peak) - abs(Mean)+ rand(1); | ||
- | Result =a2 - a1 | ||
- | </code> | ||
- | |||
- | An example of using the formula editor and in the GUI:\\ | ||
- | {{:reporting_engine:data_analysis_with_formula_editor.png?1000|}} |