Project - Data Handling and Interpolation

Project :

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.

Key Highlights:

• Graphical solutions are more visual and appealing
• Interpolation of data
• Read excel file
• Write to text file

Deliverables:

• Find missing data and save it in text
• Interpolate the data set
• Save your program and attach the same.
• Save txt file and upload in attachment

Ans:-

below is the script for the interpolation of voltage to current

% Open a text file for writing the output fileID = fopen('interpolation.txt', 'w'); % Define variables from Excel file x = ImAmp; % Variable x y = VVolt; % Variable y % Define the range for interpolation xq = [-17.3:0.1:0.9]; % Interpolation xq1 = interp1(y, x, xq); % Plot the interpolation figure(1); plot(x, y, 'o', xq, xq1, ':'); grid; % Print the interpolated values (xq1) to the text file fprintf(fileID, '%f', xq1); % Close the text file fclose(fileID);

Observation:-