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How to find all the numbers greater than in a certain column then all the columns

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Kalpha.mc
Kalpha.mc 2020-10-4
关闭： MATLAB Answer Bot 2021-8-20
I need some help to find out how to use find to determine all the numbers greater than x in a column.
Example
y =[1 5 9 13
2 6 10 14
3 7 11 15
4 8 12 16]
find all the numbers equal to or above 7 in column 2
answer should be 7 ,8
I had this T = find( y >=x) but that gives you the whole table.

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回答（1 个）

Walter Roberson
Walter Roberson 2020-10-4
col = 2; %must be a scalar
T = y(find(y(:,col) >= x, col)

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