Organize the logic to transform given matrix into required

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Muhammad Taha
Muhammad Taha 2022-1-23
回答： Voss 2022-1-23
Given
[1 5 4 5 7
2 5 5 5 8
3 5 6 5 9]
Required
[1 2 3
4 5 6
7 8 9]

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采纳的回答

Voss
Voss 2022-1-23
Ran in:
A = [1 5 4 5 7; 2 5 5 5 8; 3 5 6 5 9]
A = 3×5
1 5 4 5 7 2 5 5 5 8 3 5 6 5 9
B = A.'; % transpose
B = B(1:2:end,:) % take every alternate row, starting with 1st
B = 3×3
1 2 3 4 5 6 7 8 9
Or:
B = A(:,1:2:end).' % take every alternate column, then transpose
B = 3×3
1 2 3 4 5 6 7 8 9

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