A = importdata('output_01_03_2022_14_35_09.txt'); X = A.data(:,1); Y = A.data(:,2); Z = A.data(:,3); time = linspace(0,length(X)*0.1,length(X)); figure plot(time,X,time,Y,time,Z) sum = sqrt(X.^2+Y.^2+Z.^2); figure plot(time,sum)