linhsekiro linhsekiro
  • 19-11-2021
  • Mathematics
contestada

Cho ma trận A = [2 7 9 7; 3 1 5 6; 8 1 2 5], giải thích kết quả của các lệnh sau:
A'

A(:,[1 4])

A([2 3],[3 1])

reshape(A,2,6)

A(:)

[A;A(end,:)]

A(1:3,:)

[A ; A(1:2,:)]

sum(A)

sum(A')

[ [ A ; sum(A) ] [ sum(A,2) ; sum(A(:)) ] ]

Respuesta :

cowfat146
cowfat146 cowfat146
  • 22-11-2021

Answer:

wow look at bachannal pls

Step-by-step explanation:

so this is a 3 sum easy the answer is A

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