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diff --git a/help/en_US/scilab_en_US_help/ifft.html b/help/en_US/scilab_en_US_help/ifft.html deleted file mode 100644 index 6a9b4d7..0000000 --- a/help/en_US/scilab_en_US_help/ifft.html +++ /dev/null @@ -1,94 +0,0 @@ -<html><head> - <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> - <title>ifft</title> - <style type="text/css" media="all"> - @import url("scilab_code.css"); - @import url("xml_code.css"); - @import url("c_code.css"); - @import url("style.css"); - </style> - </head> - <body> - <div class="manualnavbar"> - <table width="100%"><tr> - <td width="30%"> - <span class="previous"><a href="idst1.html"><< idst1</a></span> - - </td> - <td width="40%" class="center"> - <span class="top"><a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a></span> - - </td> - <td width="30%" class="next"> - <span class="next"><a href="ifft1.html">ifft1 >></a></span> - - </td> - </tr></table> - <hr /> - </div> - - - - <span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a> > ifft</span> - - <br /><br /> - <div class="refnamediv"><h1 class="refname">ifft</h1> - <p class="refpurpose">Calculates the inverse discrete Fourier transform of a matrix using Fast Fourier Transform algorithm.</p></div> - - -<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> - <div class="synopsis"><pre><span class="functionid">ifft</span><span class="default"> (</span><span class="default">x</span><span class="default">, </span><span class="default">n</span><span class="default">, </span><span class="default">dim</span><span class="default">)</span> -<span class="functionid">ifft</span><span class="default"> (</span><span class="default">x</span><span class="default">, </span><span class="default">n</span><span class="default">)</span> -<span class="functionid">ifft</span><span class="default"> (</span><span class="default">x</span><span class="default">)</span></pre></div></div> - -<div class="refsection"><h3 class="title">Parameters</h3> - <dl><dt><span class="term">x:</span> - <dd><p class="para">input matrix</p></dd></dt> - <dt><span class="term">n:</span> - <dd><p class="para">Specifies the number of elements of x to be used</p></dd></dt> - <dt><span class="term">dim:</span> - <dd><p class="para">Specifies the dimention of the matrix along which the inverse FFT is performed</p></dd></dt></dl></div> - -<div class="refsection"><h3 class="title">Description</h3> - <p class="para">This is an Octave function.</p></div> - -<div class="refsection"><h3 class="title">Description</h3> - <p class="para">This is an Octave function. -The inverse FFT is calculated along the first non-singleton dimension of the array. Thus, inverse FFT is computed for each column of x.</p> - <p class="para">n is an integer specifying the number of elements of x to use. If n is larger than dimention along. which the inverse FFT is calculated, then x is resized and padded with zeros. -Similarly, if n is smaller, then x is truncated.</p> - <p class="para">dim is an integer specifying the dimension of the matrix along which the inverse FFT is performed.</p></div> - -<div class="refsection"><h3 class="title">Examples</h3> - <div class="programlisting"><table border="0" width="100%"><tr><td width="98%"><pre class="scilabcode"><span class="scilabid">x</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabnumber">3</span><span class="scilabdefault">;</span> <span class="scilabnumber">4</span> <span class="scilabnumber">5</span> <span class="scilabnumber">6</span><span class="scilabdefault">;</span> <span class="scilabnumber">7</span> <span class="scilabnumber">8</span> <span class="scilabnumber">9</span><span class="scilabopenclose">]</span> -<span class="scilabid">n</span> <span class="scilaboperator">=</span> <span class="scilabnumber">3</span> -<span class="scilabid">dim</span> <span class="scilaboperator">=</span> <span class="scilabnumber">2</span> -<span class="scilabmacro">ifft</span> <span class="scilabopenclose">(</span><span class="scilabid">x</span><span class="scilabdefault">,</span> <span class="scilabid">n</span><span class="scilabdefault">,</span> <span class="scilabid">dim</span><span class="scilabopenclose">)</span> -<span class="scilabid">ans</span> <span class="scilaboperator">=</span> - -<span class="scilabnumber">2.00000</span> <span class="scilaboperator">+</span> <span class="scilabnumber">0.00000</span><span class="scilabid">i</span> <span class="scilaboperator">-</span><span class="scilabnumber">0.50000</span> <span class="scilaboperator">-</span> <span class="scilabnumber">0.28868</span><span class="scilabid">i</span> <span class="scilaboperator">-</span><span class="scilabnumber">0.50000</span> <span class="scilaboperator">+</span> <span class="scilabnumber">0.28868</span><span class="scilabid">i</span> -<span class="scilabnumber">5.00000</span> <span class="scilaboperator">+</span> <span class="scilabnumber">0.00000</span><span class="scilabid">i</span> <span class="scilaboperator">-</span><span class="scilabnumber">0.50000</span> <span class="scilaboperator">-</span> <span class="scilabnumber">0.28868</span><span class="scilabid">i</span> <span class="scilaboperator">-</span><span class="scilabnumber">0.50000</span> <span class="scilaboperator">+</span> <span class="scilabnumber">0.28868</span><span class="scilabid">i</span> -<span class="scilabnumber">8.00000</span> <span class="scilaboperator">+</span> <span class="scilabnumber">0.00000</span><span class="scilabid">i</span> <span class="scilaboperator">-</span><span class="scilabnumber">0.50000</span> <span class="scilaboperator">-</span> <span class="scilabnumber">0.28868</span><span class="scilabid">i</span> <span class="scilaboperator">-</span><span class="scilabnumber">0.50000</span> <span class="scilaboperator">+</span> <span class="scilabnumber">0.28868</span><span class="scilabid">i</span></pre></td><td valign="top"><a href="scilab://scilab.execexample/"><img src="ScilabExecute.png" border="0"/></a></td><td valign="top"><a href="scilab://scilab.editexample/"><img src="ScilabEdit.png" border="0"/></a></td><td></td></tr></table></div></div> - <br /> - - <div class="manualnavbar"> - <table width="100%"> - <tr><td colspan="3" class="next"><a href="http://bugzilla.scilab.org/enter_bug.cgi?product=Scilab%20software&component=Documentation%20pages" class="ulink">Report an issue</a></td></tr> -<tr> - <td width="30%"> - <span class="previous"><a href="idst1.html"><< idst1</a></span> - - </td> - <td width="40%" class="center"> - <span class="top"><a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a></span> - - </td> - <td width="30%" class="next"> - <span class="next"><a href="ifft1.html">ifft1 >></a></span> - - </td> - </tr></table> - <hr /> - </div> - </body> -</html> |