Plotting dates on the x-axis

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Luiz Aguiar
Luiz Aguiar 2021-4-4
回答： darova 2021-4-6
I have a cell with 4 columns in which the first one is a day, the second is a month, the third is a year and the fourth is an index value. I would like to know if there's a way of plotting a "timelapse" on the x-axis using the info in the first three columns and the index values on the y-axis, or do I have to modify my cell using datenum? If so, any tips on doing that? Thanks in advance, any help is very valuable!!

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回答（1 个）

darova
darova 2021-4-6
Ran in:
Just use datenum
a = rand(5,4,3);
datenum(a(:,1),a(:,2),a(:,3))
ans = 5×1
55.5745 351.6499 41.5854 342.2935 116.0815
Use sort if needed

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