how to sum columns between two dates in a table

MathWorks

[Walter Roberson]

Your questions are easier to read when posted as text instead of as image of text.

[Ishak Oussama]

Sorry, I had a keyboard problem.

Answer 1

[Walter Roberson]

mask = YourTable(:,1) >= start_date & YourTable(:,1) <= end_date;
Table_subset = YourTable(mask,:);

and now you can do the totaling that you need.