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<span class="refentrytitle">dot</span>
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<p>dot —
Calculates the dot product of two arrays.
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<a id="idm281472940942120"></a>
<h2>Description</h2>
<p>
Takes two numeric arrays (k or i-rate) and calculates the dot product.
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<a id="idm281472940871144"></a>
<h2>Syntax</h2>
<pre class="synopsis">kres/ires<span class="command"><strong>dot</strong></span> karr1[]/iarr1[], karr2[]/iarr2[] (k- or i-arrays )</pre>
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<h2>Examples</h2>
<p>
Here is an example of the dot opcode. It uses the file <a class="ulink" href="examples/dot.csd" target="_top"><em class="citetitle">dota.csd</em></a>.
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<a id="idm281472940867224"></a>
<p class="title">
<strong>Example 221. Example of the dot opcode.</strong>
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<div class="example-contents">
<p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
<div class="refsect1">
<a id="idm281472777501640"></a>
<pre class="programlisting">
<span class="nt"><CsoundSynthesizer></span>
<span class="nt"><CsOptions></span>
-n
<span class="nt"></CsOptions></span>
<span class="nt"><CsInstruments></span>
<span class="kd">instr</span> <span class="nf">1</span>
k<span class="n">Arr1</span><span class="p">[]</span> <span class="nb">fillarray</span> <span class="mi">1</span><span class="p">,</span><span class="mi">3</span><span class="p">,</span><span class="mi">2</span><span class="p">,</span><span class="mi">7</span><span class="p">,</span><span class="mi">4</span>
k<span class="n">Arr2</span><span class="p">[]</span> <span class="nb">fillarray</span> <span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">,</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">,</span><span class="mi">5</span>
k<span class="n">d</span> <span class="n">dot</span> k<span class="n">Arr1</span><span class="p">,</span>k<span class="n">Arr2</span>
<span class="nb">printk2</span> k<span class="n">d</span>
<span class="nb">turnoff</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="nb">i</span><span class="mi">1</span> <span class="mi">0</span> <span class="mi">1</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
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<p><br class="example-break" />
</p>
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<a id="idm281472940863032"></a>
<h2>See Also</h2>
<p>
<a class="link" href="sumarray.html" title="sumarray"><em class="citetitle">sumarray</em></a>
<a class="link" href="productarray.html" title="product"><em class="citetitle">product</em></a>
</p>
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<div class="refsect1">
<a id="idm281472940859944"></a>
<h2>Credits</h2>
<p>Author: Victor Lazzarini</p>
<p>New in version 6.09</p>
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