problem in converting a matrix of integers to vector of integers using str2num and num2str

3 views (last 30 days)
Hello,
I have a matrix x of this form (these are example values)
1 0 0 1 0
0 1 0 0 0
0 0 0 0 1
1 0 0 1 1
I am trying to make a number out of each row so I used
y=strcat(num2str(x(:,1)),num2str(x(:,2)),num2str(x(:,3)),num2str(x(:,4)),num2str(x(:,5)));
which get me the result
'10011'
'01000'
'00001'
'10011'
Now I want to convert each string to a number but its not working.
A = str2num(y)
A =
[]
Also, I tried different method all faild beause the size of y is 4x5 and not 4x1.
why does matlab consider each char as column and how can I avoid this problem?
Thanks

Accepted Answer

Ameer Hamza
Ameer Hamza on 11 Nov 2020
Edited: Ameer Hamza on 11 Nov 2020
Try this
x = [
1 0 0 1 0
0 1 0 0 0
0 0 0 0 1
1 0 0 1 1];
x = char(x+'0');
y = str2num(x)
Result
>> y
y =
10010
1000
1
10011
Or a faster solution
x = [
1 0 0 1 0
0 1 0 0 0
0 0 0 0 1
1 0 0 1 1];
y = x*10.^(size(x,2)-1:-1:0)';
  6 Comments

Sign in to comment.

More Answers (0)

Categories

Find more on Data Type Conversion in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!