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<span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a> > ifftshift1</span>
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<div class="refnamediv"><h1 class="refname">ifftshift1</h1>
<p class="refpurpose">Undo the action of the 'fftshift1' function.</p></div>
<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
<div class="synopsis"><pre><span class="functionid">ifftshift1</span><span class="default"> (</span><span class="default">X</span><span class="default">)</span>
<span class="functionid">ifftshift1</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">DIM</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">It is a vector of N elements corresponding to time samples</p></dd></dt>
<dt><span class="term">DIM:</span>
<dd><p class="para">The optional DIM argument can be used to limit the dimension along which the permutation occurs</p></dd></dt></dl></div>
<div class="refsection"><h3 class="title">Description</h3>
<p class="para">This is an Octave function.
Undo the action of the 'fftshift1' function.</p>
<p class="para">For even length X, 'fftshift1' is its own inverse, but odd lengths differ slightly.</p></div>
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