Worst-case linear-time order statistics Selecting
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Hi.Ihave a some problem with solving this algorithm. Question is:
1) the n elements into groups of 5. Find the median of each 5-element group by rote.
so ı wrote this code. But how ı can select the numbers from array and add create new groups of 5 elements ?
a = randperm(100,21) ;
disp(a);
len_a = length(a);
mod_a = mod(len_a,5);
b = ceil(len_a /5);
disp(b);
for j=1:b
gj = zeros(b,1);
end
for j = 1:5
gj(j,1) = a(1,j);
end
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Antworten (1)
Dheeraj Singh
am 8 Nov. 2019
You can simply do something like this:
array=randperm(100,21)
noOfGroups=ceil(numel(array)/5);
medianGroup=zeros(noOfGroups,1);
for i=1:noOfGroups
group=array((i-1)*5+1:min(i*5,numel(array)));
%find median of the group
medianGroup(i)=findMedian(group)
end
2 Kommentare
Dheeraj Singh
am 14 Nov. 2019
i don't see any recursive code here...
can you provide the array as a mat file
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