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Creating automated multiple variables to store excel table in a loop

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NAMAN JAIN on 16 Oct 2020
Commented: NAMAN JAIN on 21 Oct 2020
Hi all,
So I have got multiple excel files(.xlsx) named as "day 1 , day 2 , day 30" in the order of 288x29. What I want is for Matlab to automatically generate variables in a sequence like "data_day1, data_day2.....data_day30" to store the data from the excel file as a table in a loop, so I can use values from the table to do more calculations.
I am a self-taught newbie and any help would be greatly appreciated!!!!!
thanks for your time,


Mathieu NOE
Mathieu NOE on 16 Oct 2020
could you share some execl file to see how to proceed ?
how do you want to merge the excel file data together ?
Sudhakar Shinde
Sudhakar Shinde on 16 Oct 2020
Day1.xlsx , Day2.xlsx and Day3.xlsx
For i:1:3
data_day(i) = readtable('Day',num2str(i),'.xlsx');

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Accepted Answer

Gaurav Garg
Gaurav Garg on 19 Oct 2020
Hi Naman,
You can use readtable function to create table from an excel file and then create a loop e.g. -
for i = 1:3
data_day(i) = readtable('Day',num2str(i),'.xlsx');
The name of the file within readtable function should be a string. So, we convert i to a string and then append it to Day and extension .xlsx before passing it as an argument to readtable function.

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