Addition of numbers in array

Lets' say I have 2 vectors:

x = [7 4 6];
y = [1 4 4];

But these are not just vector consider them as A number, i.e., 746 and 144. Now I want to add these numbers (as we do on paper, carry method).

so the answer should be 890.

and want display like:

7 4 6
1 4 4 
-----
8 9 0

Please help me to code.

Thanks

Answer 1

[Ameer Hamza]

This is one way

x = [7 4 6];
y = [1 4 4];
z = sscanf(sprintf('%d',x),'%d')+sscanf(sprintf('%d',y),'%d')

[KALYAN ACHARJYA]

More:

x_new=str2double(sprintf('%d',x));
y_new=str2double(sprintf('%d',y));
result=num2str(x_new+y_new) - '0'

[Muhammad Usman]

@KALYAN ACHARJYA, @Ameer Tamoor Khan Thanks

[Muhammad Usman]

@KALYAN ACHARJYA, I am following your lines of code, but generating error when I do:

x = randi([0,9],1,20);
y = randi([0,9],1,20);
x_new = str2double(sprintf('%d',x));
y_new = str2double(sprintf('%d',y));
result = num2str(x_new+y_new) - '0';
fprintf('%4d',x);
fprintf('\n');
fprintf('%4d',y);
fprintf('\n');
disp('+');
disp('-------------------------------------------------------------------------')
fprintf('%d',result);
fprintf('\n')

The ouput I get (which is wrong):

   9   6   1   3   0   5   4   9   8   4   8   1   3   9   9   7   6   3   9   1
   7   6   8   3   7   8   3   5   9   5   3   6   3   7   4   4   6   9   3   8
+
-------------------------------------------------------------------------
1-272968385801777453-520

can you please mention the mistake in running these lines. And help me to align (with same gap spaces) the result

[Steven Lord]

Your numbers are too large to guarantee that they can be stored exactly as double precision numbers.

x = 96130549848139976391;
rem(x, 10) % ones digit

ans = 8

spacing = eps(x)

spacing = 16384

The spacing between consecutive representable numbers in the vicinity of x is 16,384. It is too large even to be stored exactly as a uint64 number.

y = uint64(96130549848139976391) % Saturated at intmax

y = uint64 18446744073709551615

You will need to store your numbers and perform calculations in arbitrary precision arithmetic, like in Symbolic Math Toolbox.

s = sym('96130549848139976391')

s = 

96130549848139976391