$RxpI: Difference between revisions
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<span class="pageSubtitle">Real base raised to integer exponent</span> | <span class="pageSubtitle">Real base raised to integer exponent</span> | ||
<p class=" | <p class="warn"><b>Note:</b> Many $functions have been deprecated in favor of Object Oriented | ||
methods. There is currently no direct OO equivalent for the $RxpI | methods. There is currently no direct OO equivalent for the <var>$RxpI</var> function.</p> | ||
</p> | |||
The <var>$RxpI</var> function returns the value of its first | The <var>$RxpI</var> function returns the value of its first argument raised to the power of its second argument. | ||
argument raised to the power of its second argument. | The second argument is initially rounded to the nearest integral value. | ||
The second argument is initially rounded to the nearest | |||
integral value. | |||
==Syntax== | ==Syntax== | ||
<p class="syntax"><span class="term">%num</span><span class="literal"> = $RxpI(</span><span class="term">x</span><span class="literal">)</span> </p> | <p class="syntax"><span class="term">%num</span><span class="literal"> = $RxpI(</span><span class="term">x</span>, <span class="term">y</span><span class="literal">)</span> </p> | ||
Omitted arguments are set to 0. | ==Usage notes== | ||
<ul> | |||
<li>Omitted arguments are set to 0. </li> | |||
<li>If <var class="term">x</var> equals 0, and |<var class="term">y</var>| is less than or equal to 0, an error message is printed and the request is cancelled. </li> | |||
< | |||
<li>If the result exceeds 7.237 x 10<sup>75</sup>, an arithmetic overflow occurs, and <var>$RxpI</var> returns the value 0.</li> | |||
</ul> | |||
==Examples== | |||
<p class="code">$rxpi(2, 3) = 2<sup>3</sup> = 8 | |||
$rxpi(.5, 1.4) = $rxpi(.5, 1) = .5 | |||
</p> | </p> | ||
[[Category: Mathematical $functions]] | |||
Latest revision as of 17:06, 2 January 2018
Real base raised to integer exponent
Note: Many $functions have been deprecated in favor of Object Oriented methods. There is currently no direct OO equivalent for the $RxpI function.
The $RxpI function returns the value of its first argument raised to the power of its second argument. The second argument is initially rounded to the nearest integral value.
Syntax
%num = $RxpI(x, y)
Usage notes
- Omitted arguments are set to 0.
- If x equals 0, and |y| is less than or equal to 0, an error message is printed and the request is cancelled.
- If the result exceeds 7.237 x 1075, an arithmetic overflow occurs, and $RxpI returns the value 0.
Examples
$rxpi(2, 3) = 23 = 8 $rxpi(.5, 1.4) = $rxpi(.5, 1) = .5