MatLab Eigenonsense

m =

    0.4803         0    0.3391   -0.0000
    0.0021    0.0000   -0.2585   -0.0000
   -0.0159    0.0000    0.5039   -0.5774


TI 89 Neat

m =

	@1	0	0	0
	0	@1	0	0
	0	0	0	@1


MatLab Eigen Corrected

m =

   -0.5774         0    0.0000   -0.0000
    0.0000   -0.5774    0.0000   -0.0000
   -0.0000    0.0000    0.0000   -0.5774


MatLab Eigen with NonTrivial Perspective

m =

   -0.5774    0.0000    0.0000   -0.0000
   -0.0000   -0.5774    0.0000   -0.0000
    0.0000    0.0000   -0.5774   -0.0000