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Diagonal Form of
Eigenvectors and Eigenvalues of Symmetric Matrices
Above we have taken hermitean operator
. If
A
real then
and
.
Then eigen
can be taken to be real as equation
has real coefficients (we showed
real).
Then
U
is real
Geoffrey Fox,
Northeast Parallel Architectures Center
at Syracuse University, gcf@npac.syr.edu
. If A
real then 
and 
.
can be taken to be real
as equation 
has real coefficients (we
showed 
real).
