n] are the initial values of </SPAN></FONT>
                <FONT SIZE=4 STYLE="font-size: 16pt"><SPAN LANG="en-US">the solution of the system of differential equations at x=x0;</SPAN></FONT>
        <FONT SIZE=4 STYLE="font-size: 16pt"><SPAN LANG="en-US">exit: y[1:n] are the values of the solution at x=xend;</SPAN></FONT>
<FONT SIZE=4 STYLE="font-size: 16pt"><SPAN LANG="en-US"><I><B>hmin, hmax</B></I></SPAN><SPAN LANG="en-US"><B>:</B></SPAN> <SPAN LANG="en-US"><SPAN STYLE="font-weight: normal">Double;</SPA