Problem 44480. The average of the second largest values

Created by Noriko HOUNOKI

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99 Solutions
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Last Solution submitted on Sep 26, 2021

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Solution 1448126

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1 Comment

John BG on 23 Feb 2018

this

x2=x
[max1,ind1]=max(x2,[],2)
x2(sub2ind(size(x),[1:3],ind1'))=NaN
[max2,ind2]=max(x2,[],2)
y=mean(x2(sub2ind(size(x),[1:size(x,1)],ind2')))

solves the question yet the checker returns not a valid answer.

Solution 1448117

1 Comment

1 Comment

John BG on 23 Feb 2018

the following 4 lines solve this question

[max1,ind1]=max(x,[],2)
x(sub2ind(size(x),[1:3],ind1'))=NaN
[max2,ind2]=max(x,[],2)
y=mean(x(sub2ind(size(x),[1:3],ind2')))

yet the online checker returns not a valid answer

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Problem 44480. The average of the second largest values

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Problem 44480. The average of the second largest values

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