Project - Data Handling and Interpolation
1.
data = xlsread('VI.xlsx'); %reading data from excel file
i = [-17.3:0.1:0.9];
Voltage = data(:,1);
Current = data(:,2);
y = interp1(Voltage, Current,i); %linear interpolation of values
plot(Voltage,Current,'r--',i,y,'g*');
fid = fopen('VI.txt','w'); %writing it into a text file
fprintf(fid,'%8s %11s\n','Volt','I');
fprintf(fid,'%f %f\n',y);
fclose(fid);