Find the first value that is greater than or equal to and its corresponding value

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Athul Nath M K
Athul Nath M K 2022-9-27
回答： Chunru 2022-9-27
A table from an .txt file is imported. It looks like this (say first column as x and second as y)
0.01 3
0.02 4
0.03 6
0.04 9
0.05 12
0.06 14
0.07 15
0.08 18
How to find the first value in column y that is greater than or equal to 10 and find the corresponding x value (PS: Both x and y are increasing as it goes down)

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Chunru
Chunru 2022-9-27
Ran in:
data =[
0.01 3
0.02 4
0.03 6
0.04 9
0.05 12
0.06 14
0.07 15
0.08 18];
idx = find(data(:,2)>=10, 1, 'first')
idx = 5
x = data(idx, 1)
x = 0.0500

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