MATLAB Data Generation Algorithim

clc
clear
N=input('Enter Number of Colums  =  ')
display('Number of colums entered')
M=input( 'Enter Number of rows =  ')
display('Number of rows entered')
pause(1)

for j=1:N;
for i=1:M;
x(i,j)=randn(1,1);
end
end

display('The Generated Matrix')
x

save('pqfile.txt', 'x', '-ASCII' )
open pqfile.txt   
pause(2)
display('Enter required colum number to plot')
NN=input('Enter Number of Colums  =  ')
display('Enter required row number to plot')
MM=input('Enter Number of Colums  =  ')
plot(x(NN,:),x(:,MM),'*-')
title('Plotting Data')
xlabel('Selected Colum')
ylabel('Selected Row')
legend('Data')
grid on

The saved data file opened automatically from the saved file

Assign one row and one column 

The plotted output for one column and one row:

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