This page (revision-21) was last changed on 21-Oct-2017 12:32 by Albrecht Striffler

This page was created on 26-Oct-2012 10:15 by UnknownAuthor

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Doc Expressions
Doc Expressions

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The functionalities described on this page are only available using a commercial extension.
The functionalities described on this page are only available using a commercial extension. Please contact info@denkbares.com for more information.
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Expressions allows to use mathematical formulas to be used in d3web knowledge bases. In every formula you may access existing questions and their values, as well as predefined constants. The results of those formulas may be used to assign it to an existing question or as a precondition in a rule.
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Expressions allow to use mathematical formulas to be used in d3web knowledge bases. In every formula you may access existing questions and their values, as well as predefined constants. The results of those formulas may be used to assign it to an existing question (e.g. in a rule action) or as a condition in a rule.
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IF eval( gradient( measurement[-10s,0s] ) > 1 )
IF eval(gradient(measurement[-10s, 0s]) > 1)
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/%
%
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THEN myGradient = eval( gradient( measurement[-10s,0s] ) )
/%
THEN myGradient = eval(gradient(measurement[-10s, 0s]) )
%
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// use other constants is NOT ALLOWED!!! --> error signaled
// using other constants is NOT ALLOWED!!! --> error signaled
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Below you see all functions that come with the TimeDB plugin by default. If you need additional functionality that is not covered by the provided functions, you might consider defining your own specialized function using Javascript. See __[Doc Javascript Functions]__ for more info.
This page (revision-21) was last changed on 21-Oct-2017 12:32 by Albrecht Striffler Top