HOW CAN CREATE A MATRIX FROM A SINGLE ROW?

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simone zappalà
simone zappalà 2022-3-13
评论： John D'Errico 2022-3-13
I have 12 elements distributed on a single row, i've to put them on a 3x4 matrix, how i do that?

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Arif Hoq
Arif Hoq 2022-3-13
Ran in:
use reshape function.
A=randi(100,1,12)
A = 1×12
99 27 87 54 85 99 10 14 94 9 80 42
output=reshape(A,3,4)
output = 3×4
99 54 10 9 27 85 14 80 87 99 94 42
  1 个评论
John D'Errico
John D'Errico 2022-3-13
Ran in:
With only the caveat that the solution offerd by @Arif Hoq puts the elements into the matrix going down the columns. If @simone zappalà wanted to put the elements going across rows from the original vector, then this subtle change would do the trick:
A = [99 27 87 54 85 99 10 14 94 9 80 42];
output=reshape(A,4,3).'
output = 3×4
99 27 87 54 85 99 10 14 94 9 80 42

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