Outputing a correspond element of another variable

2020 12 30
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更新时间：2020 12 30
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I want my final output to be the element A that is equivalent to B(max)
A = ["Bayo" "Tun" "s"]
B = [21, 45, 11]
example
max(B) = 45
How do I output the corresponding element in A (in it original string format).

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Ameer Hamza
Ameer Hamza 2020-12-30
编辑：Ameer Hamza 2020-12-30

1 个投票

Try this
A = ["Bayo" "Tun" "s"];
B = [21, 45, 11];
[~, idx] = max(B);
output = A(idx);
Result
>> output
output =
"Tun"

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Cutie
Cutie 2020-12-30
Thank you Ameer Hamza. it works. Please can you explain what
[~, idx] = max(B); does? Particularly the '~'
Ameer Hamza
Ameer Hamza 2020-12-30
max output two values. The first output is the maximum value, and the second is the index of the maximum value. ~ tells MATLAB to ignore the first output. You can also assign it to a variable if you are going to use it later
[max_value, idx] = max(B);

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