To write a MATLAB Script to perform linear convolution and correlation for the given two sequences

Linear Convolution 
clc; 
clear all; 
close all; 
%Program to perform Linear Convolution 
x1=input('Enter the first sequence to be convoluted:'); 
subplot(3,1,1);
stem(x1); 
xlabel('Time'); 
ylabel('Amplitude'); 
title('First sequence'); 
x2=input('Enter the second sequence to be convoluted:'); 
subplot(3,1,2); 
stem(x2); 
xlabel('Time'); 
ylabel('Amplitude'); 
title('Second sequence'); 
f=conv(x1,x2); 
disp('The Linear convoluted sequence is'); 
disp(f); 
subplot(3,1,3); 
stem(f); 
xlabel('Time'); 
ylabel('Amplitude'); 
title('Linear Convoluted sequence'); 

Correlation 
clc; 
clear all; 
close all; 
%Program to perform Linear Convolution 
x1=input('Enter the first sequence to be convoluted:'); 
subplot(4,1,1); 
stem(x1); 
xlabel('Time'); 
ylabel('Amplitude'); 
title('First sequence'); 
x2=input('Enter the second sequence to be convoluted:'); 
subplot(4,1,2); 
stem(x2); 
xlabel('Time'); 
ylabel('Amplitude'); 
title('Second sequence'); 
f=xcorr(x1); 
disp('The Auto correlation sequence is'); 
disp(f); 
subplot(4,1,3); 
stem(f); 
xlabel('Time'); 
ylabel('Amplitude'); 
title('Auto Correlation sequence'); 
f1=xcorr(x1,x2); 
disp('The Cross correlation sequence is'); 
disp(f1); 
subplot(4,1,4); 
stem(f1); 
xlabel('Time'); 
ylabel('Amplitude'); 
title('Cross Correlation sequence')