Project - Data Handling and Interpolation

PROBLEM STATEMENT:

In a laboratory experiment, data of voltage and current has been recorded and the same is attached in an excel file ( Click on this link VI.xlsx ). Read the excel file in the Matlab program and perform the interpolation in the range of -17.3:0.1:0.9. Generate the interactive plot for the interpolated data and store them in a text file.

mfile:

clc; %to clear screen%

clear all; %to clear workspace%

close all; % to close all tab%

VI= xlsread("VI.xlsx");

V= VI(:,1);

I= VI(:,2);

X= -17.3:0.1:0.9; %INTERPOLATION RANGE%

Y= interp1(V,I,X,"spline");

plot(V,I,'O',X,Y);grid;

title('voltage vs current')

xlabel('voltage in volts')

ylabel('current in mAmps')

fid=fopen('project_datahandling.txt','w');

len=length(VI);

for i=1:len

fprintf(fid,'%d\n',V,I);

end

fclose(fid);