hello
see demo code below with attached excel file
I assumed the data are column oriented
the rms values are stored in array : col_rms
clc
clearvars
T = readmatrix('data_demo.xlsx');
time = T(:,1);
data = T(:,2:end);
col_rms = my_col_rms(data);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function col_rms = my_col_rms(data)
[m,n] = size(data);
for ci = 1:n
col_rms(1,ci) = sqrt(mean(data(:,ci).^2));
end
end
