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<a name="Inline-Functions"></a>
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Previous: <a rel="previous" accesskey="p" href="Anonymous-Functions.html#Anonymous-Functions">Anonymous Functions</a>,
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Up: <a rel="up" accesskey="u" href="Function-Handles-Inline-Functions-and-Anonymous-Functions.html#Function-Handles-Inline-Functions-and-Anonymous-Functions">Function Handles Inline Functions and Anonymous Functions</a>
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<h4 class="subsection">11.9.3 Inline Functions</h4>
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<p>An inline function is created from a string containing the function
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body using the <code>inline</code> function. The following code defines the
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function f(x) = x^2 + 2.
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<pre class="example"> f = inline("x^2 + 2");
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<p class="noindent">After this it is possible to evaluate f at any x by
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writing <code>f(x)</code>.
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<p><a name="doc_002dinline"></a>
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— Built-in Function: <b>inline</b> (<var>str</var>)<var><a name="index-inline-612"></a></var><br>
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— Built-in Function: <b>inline</b> (<var>str, arg1, <small class="dots">...</small></var>)<var><a name="index-inline-613"></a></var><br>
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— Built-in Function: <b>inline</b> (<var>str, n</var>)<var><a name="index-inline-614"></a></var><br>
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<blockquote><p>Create an inline function from the character string <var>str</var>.
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If called with a single argument, the arguments of the generated
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function are extracted from the function itself. The generated
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function arguments will then be in alphabetical order. It should
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be noted that i, and j are ignored as arguments due to the
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ambiguity between their use as a variable or their use as an inbuilt
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constant. All arguments followed by a parenthesis are considered
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<p>If the second and subsequent arguments are character strings,
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they are the names of the arguments of the function.
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<p>If the second argument is an integer <var>n</var>, the arguments are
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<code>"x"</code>, <code>"P1"</code>, <small class="dots">...</small>, <code>"P</code><var>N</var><code>"</code>.
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<strong>See also:</strong> argnames, formula, vectorize.
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</p></blockquote></div>
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<p><a name="doc_002dargnames"></a>
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— Built-in Function: <b>argnames</b> (<var>fun</var>)<var><a name="index-argnames-615"></a></var><br>
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<blockquote><p>Return a cell array of character strings containing the names of
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the arguments of the inline function <var>fun</var>.
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<strong>See also:</strong> inline, formula, vectorize.
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</p></blockquote></div>
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<p><a name="doc_002dformula"></a>
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— Built-in Function: <b>formula</b> (<var>fun</var>)<var><a name="index-formula-616"></a></var><br>
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<blockquote><p>Return a character string representing the inline function <var>fun</var>.
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Note that <code>char (</code><var>fun</var><code>)</code> is equivalent to
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<code>formula (</code><var>fun</var><code>)</code>.
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<strong>See also:</strong> argnames, inline, vectorize.
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</p></blockquote></div>
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<p><a name="doc_002dvectorize"></a>
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— Built-in Function: <b>vectorize</b> (<var>fun</var>)<var><a name="index-vectorize-617"></a></var><br>
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<blockquote><p>Create a vectorized version of the inline function <var>fun</var>
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by replacing all occurrences of <code>*</code>, <code>/</code>, etc., with
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<code>.*</code>, <code>./</code>, etc.
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</p></blockquote></div>
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