 Linear</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">  
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<tr><td align="left" valign="top"><a href="#SEC86">25.2 Fun&ccedil;&otilde;es e Vari&aacute;veis Definidas para Matrizes e &Aacute;lgebra Linear</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">  
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