Help build: remove the householder image demo which open scinotes
[scilab.git] / scilab / modules / linear_algebra / help / en_US / factorization / householder.xml
index 5a9fde0..c5a751f 100644 (file)
         <refpurpose>Householder orthogonal reflexion matrix</refpurpose>
     </refnamediv>
     <refsynopsisdiv>
-        <title>Calling Sequence</title>
-        <synopsis>         householder         // demo</synopsis>
-        <synopsis> u     = householder(v [,w])</synopsis>
-        <synopsis>[u, H] = householder(v [,w])</synopsis>
+        <title>Syntax</title>
+        <synopsis>
+            householder() // demo
+            u = householder(v [,w])
+            [u, H] = householder(v [,w])
+        </synopsis>
     </refsynopsisdiv>
     <refsection role="arguments">
         <title>Arguments</title>
         <para>
             If the related reflexion matrix <varname>H</varname> is computed, for any point A
             of column coordinates <literal>a</literal>, <literal>H*a</literal> are the coordinates of
-            the reflected image of A on P.
+            the reflected image of A (see the example below).
         </para>
         <note>
             If <varname>v</varname> or/and <varname>w</varname> are in row, they are priorly
@@ -147,7 +149,9 @@ clean(hm' - hm)         // must be zeros(3,3)
 clean(det(hm))          // must be -1
  ]]></programlisting>
         
-        <para>APPLICATION : Reflected image of an object</para>
+        <para>
+            <emphasis role="bold"> Application:</emphasis> Reflected image of an object w.r. to a given plane
+        </para>
         <programlisting role="example"><![CDATA[
 // (OA) = [0 0 1] is reflected in O into (OB) = [ 1 1 0.3 ]:
 [n, H] = householder([0 0 1]', [ 1 1 0.3 ]');
@@ -194,9 +198,6 @@ a.children(2).foreground = 1;
 a.children(3).foreground = color("green");
 drawnow
  ]]></programlisting>
-        <scilab:image>
-            householder();
-        </scilab:image>
     </refsection>
     <refsection role="see also">
         <title>See Also</title>