Code works in matlab command window, doesn't work in app designer code view

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Mustafa Uslu
Mustafa Uslu 2021-4-7
评论： Mustafa Uslu 2021-4-8
Hi all,
I have a Datamatrix A with size 393x171
from this I make a new matrix B with certain columns from matrix A.
B=A(:,2:5:68); size 393x14
and then from it only the maximum values in one column
B=max(B,[],2); size 393x1
If I write these codes in matlab command window, it works very well and no error.
If I write same codes in app designer code view, it doesn't work and give below errors.
B=A(:,2:5:68); --> Index in position 2 exceeds array bounds (must not exceed 1).
B=max(B,[],2); -->Error using max, Invalid data type. First argument must be numeric or logical.
Thank you in advance for your support.
Mustafa
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Jan
Jan 2021-4-8
The readers cannot guess that "Datamatrix A with size 393x171" means a struct array.

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