How do we sort scalar value in ranks?
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Hello everyone, I have struct R bellow, I sort these sequence in ascending order according to Weights values, Now I want to rank them, if weights values are the same so I put them in the same rank and have the same value:
R:
sequence Cost Weights Rank
1x197 double [4;0;0;184] 188 1
1x197 double [4;0;0;189] 193 1
1x197 double [4;0;0;189] 193 1
1x197 double [4;0;0;190] 194 1
1x197 double [4;0;0;191] 195 1
1x197 double [4;0;0;192] 196 1
1x197 double [4;0;0;192] 196 1
The result that I want to obtain is this
sequence Cost Weights Rank
1x197 double [4;0;0;184] 188 1
1x197 double [4;0;0;189] 193 2
1x197 double [4;0;0;189] 193 2
1x197 double [4;0;0;190] 194 3
1x197 double [4;0;0;191] 195 4
1x197 double [4;0;0;192] 196 5
1x197 double [4;0;0;192] 196 5
Thank you
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Sanman
am 25 Mai 2021
Hi Mira,
Since you already have your structure field “weights” sorted, you can make use of “unique” function here. MATLAB function “unique” returns unique values in array, along with the rank as well.
The following command should return the rank of the weights as you expect.
>> [~,~,rank] = unique(R.Weights)
You can also refer to this documentation page for further reference.
https://www.mathworks.com/help/matlab/ref/double.unique.html
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