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* Update book.xml to en * Update ceil.xml to en * Update deg2rad.xml to en * Update exp.xml to En * Update floor.xml to en * Update fmod.xml to en * Update hexdec.xml to en * Update intdiv.xml to en * Update max.xml to en * Update min.xml to en * Update pi.xml to en * Update pow.xml to en * Update sin.xml to en * Update sqrt.xml to en
101 lines
2.6 KiB
XML
101 lines
2.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 761d72245071f89a626903c9bcdc6aaff1252d54 Maintainer: das Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.exp" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>exp</refname>
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<refpurpose>Вычисляет степень числа <constant>e</constant></refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>float</type><methodname>exp</methodname>
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<methodparam><type>float</type><parameter>num</parameter></methodparam>
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</methodsynopsis>
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<para>
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Функция возвращает число <constant>e</constant> в степени <parameter>num</parameter>.
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</para>
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<note>
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<para>
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Число <constant>e</constant> — основание натурального логарифма.
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Приблизительно равно 2.718282.
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</para>
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</note>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>num</parameter></term>
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<listitem>
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<para>
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Показатель степени, в которую требуется возвести число Эйлера.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Функция возвращает основание натурального логарифма «e» в степени <parameter>num</parameter>.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Пример возведения в степень числа Эйлера функцией <function>exp</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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echo exp(12), PHP_EOL;
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echo exp(5.7);
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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162754.791419
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298.86740096706
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>log</function></member>
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<member><function>pow</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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