5><SPAN LANG="en-US"><B>multistep</B></SPAN></FONT>

<FONT SIZE=5><SPAN LANG="en-US">Solves an initial value problem for a system of first order ordinary differential equations </SPAN></FONT><FONT SIZE=5><SPAN LANG="en-US"><I>dy</I></SPAN></FONT><SUB><FONT SIZE=5><SPAN LANG="en-US"><I>i</I></SPAN></FONT></SUB><FONT SIZE=5><SPAN LANG="en-US"><I>/dx=f</I></SPAN></FONT><SUB><FONT SIZE=5><SPAN LANG="en-US"><I>i</I></SPAN></FONT></SUB><FONT SIZE=5><SPAN LANG="en-US"><I>(x,y)</I></SPAN></FONT><FONT SIZE=5><SPAN L