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  <refnamediv>
    <refname>blackman</refname>
    <refpurpose>Generate a Blackman window.</refpurpose>
  </refnamediv>


<refsynopsisdiv>
   <title>Syntax</title>
   <synopsis>
   w = blackman(N)
   w = blackman(N, sflag)
   
   </synopsis>
</refsynopsisdiv>

<refsection>
   <title>Parameters</title>
   <variablelist>
        <varlistentry>
            <term>N:</term>
            <listitem><para> Positive integer. Length of the Blackman window.</para></listitem>
        </varlistentry>
        <varlistentry>
            <term>sflag:</term>
            <listitem><para> String. Specifies the type of Blackman window ('symmetric' or 'periodic'). Default is 'symmetric'.</para></listitem>
        </varlistentry>
   </variablelist>
</refsection>

<refsection>
   <title>Description</title>
   <para>
This function generates an N-point Blackman window. By default, it returns a symmetric Blackman window. If `sflag` is set to 'periodic', the function generates a periodic Blackman window, which is useful in spectral analysis.
   </para>
   <para>
</para>
</refsection>

<refsection>
   <title>Examples</title>
   <programlisting role="example"><![CDATA[
w = blackman(4)

   ]]></programlisting>
</refsection>

<refsection>
   <title>Authors</title>
   <simplelist type="vert">
   <member>Ankur Mallick</member>
   </simplelist>
</refsection>

<refsection>
   <title>Bibliography</title>
   <para>[1] Oppenheim, Alan V., Ronald W. Schafer, and John R. Buck. Discrete-Time Signal Processing. Upper Saddle River, NJ: Prentice Hall, 1999.</para>
</refsection>
</refentry>
