how to sort 2 columns values based on one column
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Zaffar Mughal
am 4 Jun. 2019
Kommentiert: Lasse Embøl
am 27 Apr. 2021
4 9 60 41
5 6 68 34
6 9 61 14
7 8 63 24
1 7 67 26
2 7 66 20
3 8 55 13
4 7 52 28
5 9 62 48
6 8 78 58
7 11 59 44
1 8 77 48
2 8 72 35
3 8 67 23
4 12 61 15
5 8 67 15
6 5 62 24
7 8 67 24
1 7 66 21
2 6 69 25
3 10 65 17
I have 4 column, first one is showing days (where monday=1) and the next ones is showing sleep,Heart Rate and Stress data. I want to sort these columns in another array in the way all the days data turn into descending order,e.g
1 7 67 26
1 8 77 48
1 7 66 21
2 7 66 20
2 8 72 35
2 6 69 25
3...
and so on ... Could someone please help me with this?
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madhan ravi
am 4 Jun. 2019
[~,idx]=sort(matrix);
matrix(idx,:) % first column sorted in ascending order if vice versa use 'descend' option
3 Kommentare
madhan ravi
am 5 Jun. 2019
Not sure what you mean, perhaps it would be better off if you start a new question with all the necessary illustrations.
Lasse Embøl
am 27 Apr. 2021
What does ~ mean? What does idx mean? What does : mean?
The answers is very convoluted and not generalizable.
How do i, in easy terms, sort A and B column vectors by A column, descending in values?
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