Call first row from zero-padded matrix - only call the non-zero values

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BOB
BOB 2018-10-8
编辑： KSSV 2018-10-8
Hi folks,
I have a zero-padded matrix. I'm aware A(:,1) would call the first row of matrix A, but I want to only call the values in each row with non-zero values.
Thanks

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KSSV
KSSV 2018-10-8
编辑：KSSV 2018-10-8
Note that A(:,1), calls the first column..not the first row. If you want first row, use A(1,:)
To get only non-zero values use:
r1 = A(1,A(1,:)~=0)

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