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(MATLAB) Enter the matrix A = [1...

(MATLAB)

Enter the matrix

A = [1 2 3 4; 5 6 7 8; 9 10 11 12]

(i) Find two-element arrays I and J such that A(I,J) is a 2 × 2 matrix consisting of the corner elements of A.

(ii) Suppose that B=A initially. Find two-element arrays K and L such that B(:,K) = B(:,L)

swaps the first and fourth columns of B. (iii) Explain the result of

C = A(:)

(iv) Study the function RESHAPE. Use it together with the transpose operator

.’ in a single (one-line) command to generate the matrix 123456

7 8 9 10 11 12

from A.

Enter the matrix

A = [1 2 3 4; 5 6 7 8; 9 10 11 12]

(i) Find two-element arrays I and J such that A(I,J) is a 2 × 2 matrix consisting of the corner elements of A.

(ii) Suppose that B=A initially. Find two-element arrays K and L such that B(:,K) = B(:,L)

swaps the first and fourth columns of B. (iii) Explain the result of

C = A(:)

(iv) Study the function RESHAPE. Use it together with the transpose operator

.’ in a single (one-line) command to generate the matrix 123456

7 8 9 10 11 12

from A.

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