1 files changed, 1 insertions, 50 deletions
diff --git a/help/en_US/tf2zp.xml b/help/en_US/tf2zp.xml
index d8ae69b..dfc5e3e 100644
--- a/help/en_US/tf2zp.xml
+++ b/help/en_US/tf2zp.xml
@@ -17,56 +17,7 @@
 
   <refnamediv>
     <refname>tf2zp</refname>
-    <refpurpose>Transfer function to zero pole conversion</refpurpose>
+    <refpurpose></refpurpose>
   </refnamediv>
 
-<refsynopsisdiv>
-   <title>Calling Sequence</title>
-   <synopsis>
-   [z p k] = tf2zp(num, den)
-   </synopsis>
-</refsynopsisdiv>
-
-<refsection>
-   <title>Parameters</title>
-   <variablelist>
-   <varlistentry><term>z:</term>
-      <listitem><para> Zeros</para></listitem></varlistentry>
-   <varlistentry><term>p:</term>
-      <listitem><para> Poles</para></listitem></varlistentry>
-   <varlistentry><term>k:</term>
-      <listitem><para> Leading coefficient (Gain)</para></listitem></varlistentry>
-   <varlistentry><term>Num:</term>
-      <listitem><para> Numerator coefficients of the transfer function</para></listitem></varlistentry>
-   <varlistentry><term>den:</term>
-      <listitem><para> Denomenator coefficients of the transfer function</para></listitem></varlistentry>
-   </variablelist>
-</refsection>
-
-<refsection>
-   <title>Description</title>
-   <para>
-It converts transfer function representation to zeros / poles representation.
-</para>
-</refsection>
-
-<refsection>
-   <title>Examples</title>
-   <programlisting role="example"><![CDATA[
-b = [1 2 3]
-a = [4 5 6]
-[z, p, k] = zp2tf(b, a)
-
-   ]]></programlisting>
-</refsection>
-
-  <refsection>
-    <title>Authors</title>
-    <simplelist type="vert">
-      <member>Debdeep Dey (FOSSEE, IIT Bombay)</member>
-      <member>MODIFIED BY: Sonu Sharma (fellow at FOSSEE, IIT Bombay)</member>
-	    </simplelist>
-  </refsection>
-
-
 </refentry>