How can I get the value on 2nd column that has the minimum value in 1st column?

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young jin Kwak
young jin Kwak 2016 年 11 月 13 日
コメント済み: the cyclist 2016 年 11 月 13 日
I have 200*2 matrix, first column contains data A and second column stands for x-location.
Like this,
A x
304 1
234 2
213 3
454 4
123 5
I want to extract x-location where data A is the minimum. I am really newbie in MATLAB, please understand. And if possible, I would like to know how to save the x_location to external txt or csv file. Thank you.

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回答 (1 件)

the cyclist
the cyclist 2016 年 11 月 13 日
M = [304 1
234 2
213 3
454 4
123 5];
[minA loc] = min(M(:,1));
xAtMin = M(loc,2);
  1 件のコメント
the cyclist
the cyclist 2016 年 11 月 13 日
There are many ways to read/write data to file. Maybe look here as a start.

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