Difference between revisions of "Documentation/FAQ/Formula"

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* Replace ''<FAQ_TITLE>'' part in the input box above by the title you would like to give the FAQ item and click '''Add New FAQ'''
 
* Replace ''<FAQ_TITLE>'' part in the input box above by the title you would like to give the FAQ item and click '''Add New FAQ'''
 
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==I enter <font color="brown">'''x^*'''</font> to typeset x<SUP>*</SUP>, but get an error message. Why?==
 
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The problem is that<font color="brown">''' * '''</font>is a binary operator, that is
 
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there has to be an expression on both sides of the symbol.
 
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You either have to enter the expression<font color="brown">''' x^{{}*{}} '''</font>to avoid the
 
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error message, or you could type <font color="brown">''' x^"*"'''</font> as well, where the quotes
 
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will interpret the asterisk not as a binary operator but as a "standalone" symbol.
 
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If you use this construction a lot you might want to define the
 
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symbol as an user defined symbol. See [[FAQ:Formula#I_need_a_symbol_that_Math_does_not_provide._What_can_I_do.3F|I need a symbol that Math does not provide. What can I do?]].
 
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If you have defined the * as an user defined symbol, say<font color="brown">''' %ast'''</font>,
 
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you can enter<font color="brown">''' x^%ast'''</font>.
 
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This answer applies to a lot of other symbols as well. Some operators, such as +, are unary, that is there only has to be an expression to the right of the symbol. To typeset x<SUP>+</SUP> you can enter<font color="brown">''' x^{+{}}<'''</font> or, of course, <font color="brown">'''x^"+"'''</font>.
 
  
  
 
[[Category: Documentation/FAQ]]
 
[[Category: Documentation/FAQ]]
 
[[Category:User FAQ]]
 
[[Category:User FAQ]]

Revision as of 13:12, 8 October 2021

doc OOo


Documentation note.png A useful first resource is the OpenOffice Math Syntax Reference.

Search the FAQs: <googlefaq/> This list is ordered by popularity. The most popular FAQs are at the top. But also have a look at the bottom to find any new entries.

Below the list you can find some more FAQs that have special characters in the title.

The DPL extension (version 2.3.0) produced a SQL statement which lead to a Database error.
The reason may be an internal error of DPL or an error which you made,
especially when using DPL options like titleregexp.
Query text is:
SELECT DISTINCT `page`.page_namespace AS page_namespace,`page`.page_title AS page_title,`page`.page_id AS page_id FROM `page` INNER JOIN `categorylinks` AS cl0 ON `page`.page_id=cl0.cl_from AND (cl0.cl_to='Documentation/FAQ/Formula') WHERE 1=1 AND `page`.page_is_redirect=0 ORDER BY page_counter DESC LIMIT 500 OFFSET 0

Error message is:
Unknown column 'page_counter' in 'order clause' (127.0.0.1)


Add a new FAQ entry

Instructions

  • Do not ask questions here, but give answers.
  • If you have a question to ask, go to the User Forum.
  • Replace <FAQ_TITLE> part in the input box above by the title you would like to give the FAQ item and click Add New FAQ
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