G
Gaffar
Guest
Définition d'une matrice,
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$\mathbf{X}' title="3 $ \ mathbf (X)" alt='3$\mathbf{X}' align=absmiddle>
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$\mathbf{X}=(\mathbf{A} \mu \mathbf{I})^{-1}\mathbf{B}' title="3 $ \ mathbf (X) = (\ mathbf (A) \ mu \ mathbf (1) Je })^{- \ mathbf (B)" alt='3$\mathbf{X}=(\mathbf{A} \mu \mathbf{I})^{-1}\mathbf{B}' align=absmiddle>où
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$\mathbf{B}' title="3 $ \ mathbf (B)" alt='3$\mathbf{B}' align=absmiddle>
est un
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$N\times M' title="3 $ N \ times M" alt='3$N\times M' align=absmiddle>
matrice,
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$\mathbf{A}' title="3 $ \ mathbf (A)" alt='3$\mathbf{A}' align=absmiddle>
est un
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$N\times N' title="3 $ N \ times N" alt='3$N\times N' align=absmiddle>
matrice,
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$\mathbf{X}' title="3 $ \ mathbf (X)" alt='3$\mathbf{X}' align=absmiddle>
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$\mathbf{X}=(\mathbf{A} \mu \mathbf{I})^{-1}\mathbf{B}' title="3 $ \ mathbf (X) = (\ mathbf (A) \ mu \ mathbf (1) Je })^{- \ mathbf (B)" alt='3$\mathbf{X}=(\mathbf{A} \mu \mathbf{I})^{-1}\mathbf{B}' align=absmiddle>où
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$\mathbf{B}' title="3 $ \ mathbf (B)" alt='3$\mathbf{B}' align=absmiddle>
est un
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$N\times M' title="3 $ N \ times M" alt='3$N\times M' align=absmiddle>
matrice,
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$\mathbf{A}' title="3 $ \ mathbf (A)" alt='3$\mathbf{A}' align=absmiddle>
est un
<img src='http://www.elektroda.pl/cgi-bin/mimetex/mimetex.cgi?3$N\times N' title="3 $ N \ times N" alt='3$N\times N' align=absmiddle>
matrice,