<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"             "http://www.w3.org/TR/REC-html40/loose.dtd"> <HTML> <HEAD> <META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <META name="GENERATOR" content="hevea 1.05"> <TITLE>   tanm: ----- matrix tangent  </TITLE> </HEAD> <BODY > <A HREF="Docu-html374.html"><IMG SRC ="previous_motif.gif" ALT="Previous"></A> <A HREF="index.html"><IMG SRC ="contents_motif.gif" ALT="Contents"></A> <A HREF="Docu-html376.html"><IMG SRC ="next_motif.gif" ALT="Next"></A> <HR>  <H3>1.3.133&nbsp;&nbsp;  tanm: ----- matrix tangent <A NAME="tanm"></A></H3><A NAME="@default381"></A> <A NAME="toc1701"></A> <H4> CALLING SEQUENCE</H4> <PRE> [t]=tanm(x)    </PRE><A NAME="toc1702"></A> <H4> PARAMETERS</H4> <UL> <LI> <TT>x</TT> : square real or complex matrix  <LI><TT>t</TT> : square matrix </UL><A NAME="toc1703"></A> <H4> DESCRIPTION</H4> <TT>tanm(x) </TT>is the matrix tangent of the square matrix x  <A NAME="toc1704"></A> <H4> EXAMPLE</H4> <PRE> A=[1,2;3,4]; tanm(A) </PRE><A NAME="toc1705"></A> <H4> SEE ALSO</H4>  <A HREF="Docu-html372.html#tan"><CODE>tan</CODE></A>, <A HREF="Docu-html803.html#expm"><CODE> expm</CODE></A>, <A HREF="Docu-html347.html#sinm"><CODE> sinm</CODE></A>, <A HREF="Docu-html259.html#atanm"><CODE> atanm</CODE></A><BR> <BR> <HR> <A HREF="Docu-html374.html"><IMG SRC ="previous_motif.gif" ALT="Previous"></A> <A HREF="index.html"><IMG SRC ="contents_motif.gif" ALT="Contents"></A> <A HREF="Docu-html376.html"><IMG SRC ="next_motif.gif" ALT="Next"></A> </BODY> </HTML> 
