$Log or $Log e: Difference between revisions
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{{DISPLAYTITLE:$Log or $Log_e}} | |||
<span class="pageSubtitle">Log function</span> | <span class="pageSubtitle">Log function</span> | ||
<p class="warn"><b>Note: </b> | <p class="warn"><b>Note:</b> Many $functions have been deprecated in favor of Object Oriented methods. | ||
methods. | The OO equivalent for the <var>$Log</var> function is the <var>[[LogE (Float function)|LogE]]</var> function.</p> | ||
The OO equivalent for the | |||
<var>$Log</var> | |||
function is the <var>[[LogE (Float function)|LogE]]</var> function. | |||
</p> | |||
The <var>$Log</var> function (or its alias, <var>$Log_e</var>) returns the natural logarithm | The <var>$Log</var> function (or its alias, <var>$Log_e</var>) returns the natural logarithm (the logarithm base ''[http://en.wikipedia.org/wiki/E_%28mathematical_constant%29 e]'') of the number ''x''. | ||
(the logarithm base ''[http://en.wikipedia.org/wiki/E_%28mathematical_constant%29 e]'') of the number ''x''. | |||
==Syntax== | ==Syntax== | ||
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<p class="syntax"><span class="term">%num</span><span class="literal"> = $Log_e(</span><span class="term">x</span><span class="literal">)</span> </p> | <p class="syntax"><span class="term">%num</span><span class="literal"> = $Log_e(</span><span class="term">x</span><span class="literal">)</span> </p> | ||
If ''x'' is not greater than 0, an error message is printed and | If ''x'' is not greater than 0, an error message is printed and the request is cancelled. | ||
[[Category: Mathematical $functions]] | |||
Latest revision as of 18:41, 20 December 2017
Log function
Note: Many $functions have been deprecated in favor of Object Oriented methods. The OO equivalent for the $Log function is the LogE function.
The $Log function (or its alias, $Log_e) returns the natural logarithm (the logarithm base e) of the number x.
Syntax
%num = $Log(x)
%num = $Log_e(x)
If x is not greater than 0, an error message is printed and the request is cancelled.