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<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">Dear Christophe:</SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US"></SPAN> </P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">Attach a zip file with the implementation of a coupled formulation between Network and FEM.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">I considered an example from Wiki page </SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; mso-ansi-language: EN-US">(</SPAN><SPAN style="FONT-SIZE: 10pt"><A href="http://www.geuz.org/getdp/wiki/ChainedResolutions" target=_blank><SPAN lang=EN-US style="mso-ansi-language: EN-US">http://www.geuz.org/getdp/wiki/ChainedResolutions</SPAN></A></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; mso-ansi-language: EN-US">)<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 10pt"><o:p> </o:p></SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">Nevertheless, it seems that it does not obtain a correct transference between the formulation Network and formulation FEM... <o:p></o:p></SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">I must correct some in the formulation?<o:p></o:p></SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">The error message makes reference to a row of zeros... I believe that it does not recognize the source of excitation of the system.<o:p></o:p></SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">You have some suggestion that can help me to solve the problem???<o:p></o:p></SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">I thank for your help..!!</SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US"></SPAN> </P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">Best regards...!</SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US"></SPAN> </P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">Christian Geikowsky R.</SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">Universidad Técnica Federico Santa María</SPAN></P>
<P><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #333333; FONT-FAMILY: 'Lucida Sans Unicode'; mso-ansi-language: EN-US">Chile</SPAN></P>
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