3 Richtungsableitung und Gradient

<BODY bgcolor="#26244f" text="#ffffff" link="#ffffff" vlink="#dddddd" alink="#ea042d"> <A NAME="tex2html1108" HREF="node55_mn.html" TARGET="_top"> <IMG WIDTH="30" HEIGHT="30" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="./Images/next.gif"></A> <A NAME="tex2html1104" HREF="node51_mn.html" TARGET="_top"> <IMG WIDTH="30" HEIGHT="30" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="./Images/up.gif"></A> <A NAME="tex2html1098" HREF="node53_mn.html" TARGET="_top"> <IMG WIDTH="30" HEIGHT="30" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="./Images/prev.gif"></A> <A NAME="tex2html1106" HREF="node54_tf.html" TARGET="_top"> <IMG WIDTH="30" HEIGHT="30" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="./Images/contents.gif"></A> <BR> <B> Next:</B> <A NAME="tex2html1109" HREF="node55_mn.html" TARGET="_top">4 Das totale Differential</A> <B>Up:</B> <A NAME="tex2html1105" HREF="node51_mn.html" TARGET="_top">2 Grenzwerte und Differentiation</A> <B> Previous:</B> <A NAME="tex2html1099" HREF="node53_mn.html" TARGET="_top">2 Differentiation</A> <BR> <P> <P> Sorry, this requires a browser that supports frames! <BR> Try <A HREF="node54_ct.html">node54_ct.html</A> instead.</P> <HR> <ADDRESS> <I> <BR> < Mechanik     Mathematische Ergänzungen >       R. Dreizler   C. Lüdde     2003 </I> </ADDRESS>