1 files changed, 1 insertions, 54 deletions
diff --git a/help/en_US/isfir.xml b/help/en_US/isfir.xml
index 5974df7..be874f4 100644
--- a/help/en_US/isfir.xml
+++ b/help/en_US/isfir.xml
@@ -17,60 +17,7 @@
 
   <refnamediv>
     <refname>isfir</refname>
-    <refpurpose> Determines whether given system function is FIR or not</refpurpose>
-    <para> </para>
+    <refpurpose></refpurpose>
   </refnamediv>
 
-
-<refsynopsisdiv>
-   <title>Calling Sequence</title>
-   <synopsis>
-   fir = isfir(b,a)
-   fir = isfir(sos)
-   </synopsis>
-    <para> </para>
-</refsynopsisdiv>
-
-<refsection>
-   <title>Parameters</title>
-   <variablelist>
-   <varlistentry><term>b</term>
-      <listitem><para> Coefficients of numerator polynomial of system function </para></listitem></varlistentry>
-   <varlistentry><term>a</term>
-      <listitem><para> Coefficients of denumerator polynomial of system function</para></listitem></varlistentry>
-   <varlistentry><term>sos</term>
-      <listitem><para> Second order section matrix of order Kx6 </para></listitem></varlistentry>
-   <varlistentry><term>fir</term>
-      <listitem><para> This function returns logical 1 if system is FIR (fir = 1) </para> <para> Otherwise it returns logical 0 (fir = 0)</para></listitem></varlistentry>
-   </variablelist>
-    <para> </para>
-</refsection>
-
-<refsection>
-   <title>Description</title>
-   <para> This function takes input a System function in terms of numerator and denumerator coefficients or in second order section (sos) matrix and checks for system having Finite Impulse Response (FIR) or not </para>
-<para> </para>
-</refsection>
-
-<refsection>
-   <title>Examples</title>
-   <para>Checking given system function is FIR or not</para>
-   <para>
-    <latex>
-      \begin{eqnarray}
-      H(z) = 1 - z^{-1} + z^{-2}
-      \end{eqnarray}
-    </latex>
-   </para>
-    <para> </para>
-
-   <programlisting role="example"><![CDATA[
-b = [1 -1 1] ;
-a = 1 ;
-f = isfir(b,a) //This is an example of FIR system function, hence output will be f = 1
-]]></programlisting>
-</refsection>
-
-
-
 </refentry>