Project - Data Handling and Interpolation

VI=xlsread('VI.xlsx'); % reading the xlsx file

V=VI(:,1); % defing variable from given file

I=VI(:,2);

Vq= [-17.3:0.1:0.9]; % interpolation range

Ip=interp1(V,I,Vq); % using interpolation function

writematrix(Ip,'Interpdata.txt'); % for saving interpolated data in txt file

plot(V,I,'o') % plotting original data
hold;
plot(Vq,Ip,':.'); % plotting interpolated data

xlabel('Voltage');
ylabel('Current');
title('Data Handling and Interpolation');
legend('Avl data','Interp data');