6pt"><SPAN LANG="en-US"><I><B>jacobian: Array[Array[Double]])</B></I></SPAN></FONT>   
        <FONT SIZE=4 STYLE="font-size: 16pt"><SPAN LANG="en-US">if an analytic expression of the Jacobian matrix is not available then</SPAN></FONT>
        <FONT SIZE=4 STYLE="font-size: 16pt"><SPAN LANG="en-US"><I>available</I></SPAN></FONT> <FONT SIZE=4 STYLE="font-size: 16pt"><SPAN LANG="en-US">is set to false, otherwise </SPAN></FONT><FONT SIZE=4 STYLE="font-size: 16pt"><SPAN LANG="en-US"><I>available </I></SPAN></FO