CHAPTER 5. MATRICES AND DETERMINANTS
íÜÉå==
= =
ãN ãO ãâ
ON OO Oâ
NN NO Nâ
Ä Å Å
Å Å Å
Å Å Å
^_ `
K
M M M
K
K
I==
ïÜÉêÉ==
∑
λ=
= + + + = λ λ
å
N
Åáà ~áNÄNà ~áOÄOà K ~áåÄåà ~á Ä à=
Eãá=NIOIKI Xâà=NIOIKI FK==
=
qÜìë=áÑ=
[]
= =
ON OO OP
NN NO NP
áà ~ ~ ~
~ ~ ~
^ ~ I= []
= =
P
O
N
á
Ä
Ä
Ä
_ Ä I==
íÜÉå==
=
⋅
=
ON N OO O OP P
NN N NO O NP P
P
O
N
ON OO OP
NN NO NP
~ Ä ~ Ä ~ Ä
~ Ä ~ Ä ~ Ä
Ä
Ä
Ä
~ ~ ~
~ ~ ~
^_ K==
=
qê~åëéçëÉ=çÑ=~=j~íêáñ=
fÑ=íÜÉ=êçïë=~åÇ=Åçäìãåë=çÑ=~=ã~íêáñ=~êÉ=áåíÉêÅÜ~åÖÉÇI=íÜÉå=
íÜÉ=åÉï=ã~íêáñ=áë=Å~ääÉÇ=íÜÉ=íê~åëéçëÉ=çÑ=íÜÉ=çêáÖáå~ä=ã~íêáñK===
fÑ=^=áë=íÜÉ=çêáÖáå~ä=ã~íêáñI=áíë=íê~åëéçëÉ=áë=ÇÉåçíÉÇ=^q=çê=
^
ú
K==
qÜÉ=ã~íêáñ=^=áë=çêíÜçÖçå~ä=áÑ=^^q=fK==
- fÑ=íÜÉ=ã~íêáñ=éêçÇìÅí=^_=áë=ÇÉÑáåÉÇI=íÜÉå==
()^_q=_q^qK=
=
=