How do I set a starting point in a find function

2021 11 12
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更新时间：2021 11 12
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Hi,
I want to find the first value in a array after a specific rownumber.
Eg:
A = [3; 6; 2; 3; 1; 7];
[a b] = find(A >= 4,1,'first');
here the function will find a=2, b=1, but I want to start the find function at this specific point.
Is it possible to set a starting point for the find-funktion?
Greetings
Benni

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Jon
Jon 2021-11-12

1 个投票

If you know you wanted to start the search at a known row and column index you could use
iStart = 2
jStart = 3
[a,b] = find(A(iStart:end,jStart:end)>=4,1,'first')

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