<s>
For	O
simplicity	O
,	O
only	O
the	O
original	O
form	O
of	O
the	O
CM	O
—	O
formulated	O
for	O
perfectly	B-Algorithm
electrically	I-Algorithm
conducting	I-Algorithm
(	O
PEC	O
)	O
bodies	O
in	O
free	B-General_Concept
space	I-General_Concept
—	O
will	O
be	O
treated	O
in	O
this	O
article	O
.	O
</s>
<s>
where	O
superscript	O
denotes	O
the	O
Hermitian	B-Algorithm
transpose	I-Algorithm
and	O
where	O
represents	O
an	O
arbitrary	O
surface	O
current	O
distribution	O
,	O
correspond	O
to	O
the	O
radiated	O
power	O
and	O
the	O
reactive	O
net	O
power	O
,	O
respectively	O
.	O
</s>
<s>
In	O
reality	O
,	O
the	O
Rayleigh	O
quotient	O
is	O
limited	O
by	O
the	O
numerical	O
dynamics	O
of	O
the	O
machine	B-Algorithm
precision	I-Algorithm
used	O
and	O
the	O
number	O
of	O
correctly	O
found	O
modes	O
is	O
limited	O
.	O
</s>
<s>
This	O
last	O
relation	O
presents	O
the	O
ability	O
of	O
characteristic	O
modes	O
to	O
diagonalize	O
the	O
impedance	O
operator	O
(	O
2	O
)	O
and	O
demonstrates	O
far	O
field	O
orthogonality	B-Application
,	O
i.e.	O
,	O
</s>
<s>
compact	O
antenna	O
design	O
(	O
RFID	B-Application
,	O
Wi-Fi	O
)	O
,	O
</s>
