Matrix notation: A=(a1,a2,a3.....,an) = [a1 a2 a3 a4 .....an] are they equal? look at the sample...

Question

Question

Matrix notation:

A=(a1,a2,a3.....,an) = [a1 a2 a3 a4 .....an] are they equal? look at the sample picture A should be matrix but it uses ( ) rather than [ ]

Given that A is an n×n matrix with the property AX = 0 for all X 1 A=(a,,a,, 0 0 Let a.) Let e, =| | | ← ith element Comment

Given that A is an n×n matrix with the property AX = 0 for all X " 1 A=(a,,a,, 0 0 Let a.) Let e, =| | | ← ith element Comment

Answer 1

Answer #1

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Yes, A=(al , a2 , . an both are eq?. 日here a1, a2 . EX, suppose A be a 3x3mabiz. [3uot take n=3] 13 en aj Or or 9 amtaki ai a

Answer 2

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