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How do I find the lowest values in one array that are greater than each value from another array?

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Liam O'Reilly
Liam O'Reilly on 30 Apr 2019
Answered: Naman Bhaia on 3 May 2019
I've got two arrays, for example:
x=[5 16 27]';
y=[1 3 7 8 9 10 12 13 15 17 21 24 28 31 54]';
I want to create a variable z that returns the lowest values in y that are greater than each of the values in x. In this example z should return 7, 17, and 28.
I've tried a comnbination of min and > but can't make it work.
Thanks!

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Answers (1)

Naman Bhaia
Naman Bhaia on 3 May 2019
Hello Liam,
Can you try if the following code helps with the problem you have?
z=zeros(1,0); %defining an array z to store output in
for i=1:3 %depends on size of array x
t=y(y>x(i)); %this will store all elements in t that are greater than x(i)
z(end+1)=t(1); %this will extract the first element of t which is also the smallest (since y was in ascending order)
end

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