Which of the following operations are defined and which are not defined? Explain

Question

Which of the following operations are defined and which are not defined? Explain briefly why or why not (it may help to preform these operations when possible).

i) A + 5I

ii) |Ab|

iii) (b^TA)^T

iv) b^T + b

v) b^Tb

vi) b*b^T

where T is the transposes of vector b or matrix A. I is the identity matrix


Please help!! Which of the following operations are defined and which are not defined? Explain briefly why or why not (it may help to preform these operations when possible).

i) A + 5I

ii) |Ab|

iii) (b^TA)^T

iv) b^T + b

v) b^Tb

vi) b*b^T

where T is the transposes of vector b or matrix A. I is the identity matrix


Please help!!

Explanation / Answer

i) A + 5I will be defined

ii) |Ab| not defined why because b is vector and A is matrix.

iii) (b^TA)^T not defined why because vector cant transpose.

iv) b^T + b not defined why because vector cant transpose.

v) b^Tb not defined why because vector cant transpose.

vi) b*b^T not defined why because vector cant transpose.

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