Page 124 - 1300 Math Formulas

CHAPTER 5. MATRICES AND DETERMINANTS

539. ^Çàçáåí=çÑ=j~íêáñ=
å
fÑ=^=áë=~=ëèì~êÉ= å× ã~íêáñI=áíë=~ÇàçáåíI=ÇÉåçíÉÇ=Äó= ~Çà ^ I=
áë=íÜÉ=íê~åëéçëÉ=çÑ=íÜÉ=ã~íêáñ=çÑ=ÅçÑ~Åíçêë=`=çÑ=^W=
áà
~Çà [ ^ = áà ]` q K==

=
540. qê~ÅÉ=çÑ=~=j~íêáñ=
fÑ=^=áë=~=ëèì~êÉ= å× ã~íêáñI=áíë=íê~ÅÉI=ÇÉåçíÉÇ=Äó= íê ^ I=áë=
å
ÇÉÑáåÉÇ=íç=ÄÉ==íÜÉ=ëìã=çÑ==íÜÉ=íÉêãë=çå=íÜÉ=äÉ~ÇáåÖ=Çá~Öçå~äW=
íê ^ = ~ + ~ +K + ~ K=
OO
åå
NN
=
541. fåîÉêëÉ=çÑ=~=j~íêáñ=
fÑ=^=áë=~=ëèì~êÉ=å× ã~íêáñ=ïáíÜ=~=åçåëáåÖìä~ê=ÇÉíÉêãáå~åí=
å
−
N
ÇÉí ^I=íÜÉå=áíë=áåîÉêëÉ= ^ =áë=ÖáîÉå=Äó=
−
^ = ~Çà ^ K=
N
ÇÉí ^
=
542. fÑ=íÜÉ=ã~íêáñ=éêçÇìÅí=^_=áë=ÇÉÑáåÉÇI=íÜÉå==
( )^_ − N = _ − N ^ K=
−
N
=
543. fÑ==^==áë=~=ëèì~êÉ===å× ==ã~íêáñI==íÜÉ==ÉáÖÉåîÉÅíçêë==u===ë~íáëÑó=
å
íÜÉ=Éèì~íáçå=
^u λ u I==
=
ïÜáäÉ=íÜÉ=ÉáÖÉåî~äìÉë=λ =ë~íáëÑó=íÜÉ=ÅÜ~ê~ÅíÉêáëíáÅ=Éèì~íáçå=
^ λ f = MK===
−
=
=
=
5.5 Systems of Linear Equations

=
=
s~êá~ÄäÉëW=ñI=óI=òI= ñI= ñ I K=
N O
oÉ~ä=åìãÄÉêëW=~ ~ I ~ I Ä I ~ I ~ I I K=
N O P N NN NO

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