1 files changed, 55 insertions, 0 deletions
diff --git a/help/en_US/fftconv.xml b/help/en_US/fftconv.xml
new file mode 100644
index 0000000..8748aec
--- /dev/null
+++ b/help/en_US/fftconv.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+ *
+ * This help file was generated from fftconv.sci using help_from_sci().
+ *
+ -->
+
+<refentry version="5.0-subset Scilab" xml:id="fftconv" xml:lang="en"
+          xmlns="http://docbook.org/ns/docbook"
+          xmlns:xlink="http://www.w3.org/1999/xlink"
+          xmlns:svg="http://www.w3.org/2000/svg"
+          xmlns:ns3="http://www.w3.org/1999/xhtml"
+          xmlns:mml="http://www.w3.org/1998/Math/MathML"
+          xmlns:scilab="http://www.scilab.org"
+          xmlns:db="http://docbook.org/ns/docbook">
+
+  <refnamediv>
+    <refname>fftconv</refname>
+    <refpurpose>Convolve two vectors using the FFT for computation.</refpurpose>
+  </refnamediv>
+
+
+<refsynopsisdiv>
+   <title>Calling Sequence</title>
+   <synopsis>
+   Y = fftconv(X, Y)
+   Y = fftconv(X, Y, N)
+   </synopsis>
+</refsynopsisdiv>
+
+<refsection>
+   <title>Parameters</title>
+   <variablelist>
+   <varlistentry><term>X, Y:</term>
+      <listitem><para> Vectors</para></listitem></varlistentry>
+   </variablelist>
+</refsection>
+
+<refsection>
+   <title>Description</title>
+   <para>
+Convolve two vectors using the FFT for computation. 'c' = fftconv (X, Y)' returns a vector of length equal to 'length(X) + length (Y) - 1'.  If X and Y are the coefficient vectors of two polynomials, the returned value is the coefficient vector of the product polynomial.
+</para>
+</refsection>
+
+<refsection>
+   <title>Examples</title>
+   <programlisting role="example"><![CDATA[
+fftconv([1,2,3], [3,4,5])
+ans =
+3.    10.    22.    22.    15.
+   ]]></programlisting>
+</refsection>
+</refentry>