>> T_1

T_1 =

   -0.3395   -0.4226    0.8403   11.6678
   -0.9272   -0.0000   -0.3746  -25.6191
    0.1583   -0.9063   -0.3918   29.8961
         0         0         0    1.0000

>> T_2

T_2 =

    0.3395   -0.4226    0.8403   11.6678
   -0.9272   -0.0000    0.3746   25.6191
   -0.1583   -0.9063   -0.3918   29.8961
         0         0         0    1.0000

novas:

>> inv(T_1)

ans =

    0.3395    0.9272   -0.1583   24.5253
    0.4226    0.0000    0.9063  -32.0261
    0.8403   -0.3746   -0.3918   -7.6870
         0         0         0    1.0000

>> inv(T_2)

ans =

   -0.3395    0.9272    0.1583  -24.5253
    0.4226    0.0000    0.9063  -32.0261
    0.8403    0.3746   -0.3918   -7.6870
         0         0         0    1.0000

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Depois de mudar a posiçao das camaras:

%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%

inv(T_1)

ans =

    0.4698    0.8660   -0.1710  136.0939
    0.3420    0.0000    0.9397 -653.9085
    0.8138   -0.5000   -0.2962  -63.2784
         0         0         0    1.0000


>> inv(T_2)

ans =

   -0.4698    0.8660    0.1710 -136.0939
    0.3420    0.0000    0.9397 -653.9085
    0.8138    0.5000   -0.2962  -63.2784
         0         0         0    1.0000

%%% 

>> inv(T_1)

ans =

    0.3171    0.9397   -0.1281  147.4248
    0.3746    0.0000    0.9272 -651.5177
    0.8713   -0.3420   -0.3520  -17.7435
         0         0         0    1.0000

>> inv(T_2)

ans =

   -0.3563    0.9272    0.1158 -130.6998
    0.3090    0.0000    0.9511 -655.5027
    0.8818    0.3746   -0.2865  -65.2153
         0         0         0    1.0000

%%%%%%%% 25/02/2011

>> inv(T_1)

ans =

    0.3718    0.8988   -0.2323  197.0660
    0.5299    0.0000    0.8480 -627.7488
    0.7622   -0.4384   -0.4763   67.3680
         0         0         0    1.0000

>> inv(T_2)

ans =

   -0.2900    0.9397    0.1812 -185.7042
    0.5299    0.0000    0.8480 -627.7488
    0.7969    0.3420   -0.4980   87.4282
         0         0         0    1.0000