Difference between revisions of "SHIP:Sail:log"

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(Created page with "__NOTOC__ {{SailFuncTableStart|}}<onlyinclude> |{{SailFunc|log}}||{{DataType|Float}}||style="text-align:center;"|v5.1.0||Return the base 10 log of a number{{v5}}</onlyinclude>...")
 
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__NOTOC__
 
__NOTOC__
 
{{SailFuncTableStart|}}<onlyinclude>
 
{{SailFuncTableStart|}}<onlyinclude>
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|{{SailFunc|log}}||{{DataType|Float}}||style="text-align:center;"|v5.1.0||Return the base 10 log of a number{{v5}}</onlyinclude>
+
|{{SailFunc|log}}||{{DataType|Float}}||style="text-align:center;"|v5.1.0||Return the natural log of a number{{v5}}</onlyinclude>
 
|}
 
|}
 
== See Also: ==
 
== See Also: ==
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*[[SHIP:Sail:Functions|Sail Functions]]
 
*[[SHIP:Sail:Functions|Sail Functions]]
 
*[[SHIP:Sail:Numeric Functions|Sail Numeric Functions]]
 
*[[SHIP:Sail:Numeric Functions|Sail Numeric Functions]]
−
*{{SailFunc|abs}}, {{SailFunc|exp}}, {{SailFunc|expm1}}, {{SailFunc|pow}}, {{SailFunc|max}}, {{SailFunc|min}}
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*{{SailFunc|log10}}, {{SailFunc|exp}}, {{SailFunc|expm1}}, {{SailFunc|pow}}, {{SailFunc|max}}, {{SailFunc|min}}
 
== Prototype ==
 
== Prototype ==
 
<code>{{DataType|Float}} {{SailFunc|log}}({{DataType|Float}} n);</code>
 
<code>{{DataType|Float}} {{SailFunc|log}}({{DataType|Float}} n);</code>
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! scope="col" style="text-align:left" | Description
 
! scope="col" style="text-align:left" | Description
 
|-
 
|-
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|n||{{DataType|Float}}||the number to take the log of
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|n||{{DataType|Float}}||the number to take the natural log of
 
|-
 
|-
 
! scope="col" style="text-align:left" | Return
 
! scope="col" style="text-align:left" | Return
 
! scope="col" style="text-align:left" | {{DataType|Float}}
 
! scope="col" style="text-align:left" | {{DataType|Float}}
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! scope="col" style="text-align:left" | the result of log n
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! scope="col" style="text-align:left" | the result of log n (ln n)
 
|}
 
|}
  
 
== Detailed Description ==
 
== Detailed Description ==
  
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The <code>{{SailFunc|log}}()</code> function returns the base 10 log of a number.
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The <code>{{SailFunc|log}}()</code> function returns the base e log of a number.
  
 
== Examples ==
 
== Examples ==
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|<code>{{SailFunc|log}}(1);</code> || 0.000000... ||
 
|<code>{{SailFunc|log}}(1);</code> || 0.000000... ||
 
|-
 
|-
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|<code>{{SailFunc|log}}(5);</code> || 0.6989700... ||
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|<code>{{SailFunc|log}}(5);</code> || 1.609437... ||
 
|-
 
|-
−
|<code>{{SailFunc|log}}(1000);</code> || 3.000000... ||
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|<code>{{SailFunc|log}}(1000);</code> || 6.907755... ||
 
|}
 
|}

Revision as of 10:09, 30 September 2016

Function Returns Introduced Description
log Float v5.1.0 Return the natural log of a numberBadge SHIPv5.gif

See Also:

Prototype

Float log(Float n);

Parameters/Return Value

Parameter Data Type Description
n Float the number to take the natural log of
Return Float the result of log n (ln n)

Detailed Description

The log() function returns the base e log of a number.

Examples

Example Result Notes
log(1); 0.000000...
log(5); 1.609437...
log(1000); 6.907755...
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