Multiple choice:Solution of linear equations by column principal component elimination method
Solution of linear equations by column principal component elimination method
![ 1.JPG](~/c1f01718-e7de-431e-870a-300aea84a81a.JPG)
For the first elimination, select the principal element as(). The answer is a with a score of 2@[ A](2)
A. -4
B. 3
C. 4
D. 9
A.-4
B.3
C.4
D.9
answer:A
![ 1.JPG](~/c1f01718-e7de-431e-870a-300aea84a81a.JPG)
For the first elimination, select the principal element as(). The answer is a with a score of 2@[ A](2)
A. -4
B. 3
C. 4
D. 9
A.-4
B.3
C.4
D.9
answer:A