MATLAB: Plot specific values from two different tables

MATLABplot

Hello.

I have two different tables with date (yyyy-mm-dd HH:mm) and temperature from one year. One of the tables include hourly values and the other one does not inlude all hours from the days. I want to plot the temperature from both tables but only the values that are from the same time.

Is there any way to do this?

Please tell me if you don't understand my question, maybe it is a bit messy.

Best Answer

One good way to do this would be to create two timewtables, and then synchronize them. Depending on what you want your plot to look like, you might synchronize to 'hourly', or you might synchronize to the row times of the second timetable with "missing" rows.

Then it's just a matter of plotting temp against time, perhaps something like

plot(tt.Time,tt.Temp1,tt.Time,tt.Temp2)

where tt is your synchronized timetable.

Related Solutions

MATLAB: How to extract time (HH:mm) from datetime from a table and plot it in interval range

Note that the format of the datetime array is irrelevant. It is only used for display. You could of course change the Format so that it only shows hours and minutes but calculations would still involve the date as well.

You use the hour and minute functions to extract the hours and minutes from a datetime array. Alternatively, you use the Hour and Minute properties of the datetime object.

d = datetime + hours(1:10)' + minutes(1:10)';  %create demo datetime a array
hour(d)   %get the hour
d.Hour    %another way

minute(d) %get the minute
d.Minute  %another way

As for the plot, I'm unclear what you want to do. If two values have the same hours and minutes but different day, do you want to plot them at the same abscissa, like a scatter plot?

MATLAB: Timetable time and value adjustment

It sounds like you want to retime your timetable.

Best Answer

Related Solutions

MATLAB: How to extract time (HH:mm) from datetime from a table and plot it in interval range

MATLAB: Timetable time and value adjustment

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