Difference between revisions of "Documentation/How Tos/Calc: DELTA function"

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{{DISPLAYTITLE:DELTA function}}
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== DELTA ==
 
== DELTA ==
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<tt>'''DELTA(number1; number2)'''</tt>
 
<tt>'''DELTA(number1; number2)'''</tt>
  
: <tt>'''number1'''</tt> and <tt>'''number2'''</tt> are numbers. If <tt>'''number2'''</tt> is omitted it is assumed to be <tt>'''0'''</tt>.
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: <tt>'''number1'''</tt> and <tt>'''number2'''</tt> are numbers. If <tt>'''number2'''</tt> is omitted, it is assumed to be <tt>'''0'''</tt>.
  
 
: This function is an implementation of the (mathematical) Kronecker delta function.
 
: This function is an implementation of the (mathematical) Kronecker delta function.
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=== Issues: ===
 
=== Issues: ===
* <tt>'''DELTA'''</tt> should only be used with numbers - see [http://qa.openoffice.org/issues/show_bug.cgi?id=86283 issue 86283].
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* <tt>'''DELTA'''</tt> should only be used with numbers - see {{bug|86283}}.
 
* <tt>'''DELTA'''</tt> currently appears in the AddIn category of the Function Wizard.
 
* <tt>'''DELTA'''</tt> currently appears in the AddIn category of the Function Wizard.
  
{{Documentation/SeeAlso|
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{{SeeAlso|EN|
 
* [[Documentation/How_Tos/Calc: GESTEP function|GESTEP]]
 
* [[Documentation/How_Tos/Calc: GESTEP function|GESTEP]]
  
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* [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]]
 
* [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]]
 
* [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}}
 
* [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}}
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[[Category: Documentation/Reference/Calc/Mathematical functions]]

Latest revision as of 15:17, 31 January 2024

DELTA

Returns 1 if two numbers are equal, and 0 otherwise.

This function is only available if the Analysis AddIn is installed.

Syntax:

DELTA(number1; number2)

number1 and number2 are numbers. If number2 is omitted, it is assumed to be 0.
This function is an implementation of the (mathematical) Kronecker delta function.
number1=number2 returns TRUE or FALSE instead of 1 or 0, but is otherwise identical for number arguments.

Example:

DELTA(4; 5)

returns 0.

DELTA(4; A1)

where cell A1 contains 4, returns 1.

DELTA(0)

returns 1.

=4=5

in a cell shows FALSE, as 4 is not equal to 5.

Issues:

  • DELTA should only be used with numbers - see Issue 86283 .
  • DELTA currently appears in the AddIn category of the Function Wizard.



See Also
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