Convert 8x3 char to string sequence (MATLAB)

1 view (last 30 days)
Dear,
I have this char characters on MATLAB:
val =
'011'
'010'
'001'
'000'
'000'
'001'
'010'
'011'
I want to convert them to one sequence of type string to obtain this result:
"011010001000000001010011"

Accepted Answer

Walter Roberson
Walter Roberson on 1 Dec 2022
reshape(val.', 1, [])

More Answers (2)

David Hill
David Hill on 1 Dec 2022
val=['011'
'010'
'001'
'000'
'000'
'001'
'010'
'011']
val = 8×3 char array
'011' '010' '001' '000' '000' '001' '010' '011'
val=val'
val = 3×8 char array
'00000000' '11000011' '10100101'
val=val(:)'
val = '011010001000000001010011'

Steven Lord
Steven Lord on 1 Dec 2022
val = ...
['011'
'010'
'001'
'000'
'000'
'001'
'010'
'011'];
s = join(string(val), '')
s = "011010001000000001010011"
  2 Comments
Walter Roberson
Walter Roberson on 1 Dec 2022
Without using string(), such as for older MATLAB:
val = ...
['011'
'010'
'001'
'000'
'000'
'001'
'010'
'011'];
s = strjoin(cellstr(val), '')
s = '011010001000000001010011'
Walter Roberson
Walter Roberson on 1 Dec 2022
Interesting, using string() is measurably faster here.
format long g
val = char(randi(+'0', +'1'), 5000, 50);
N = 100;
t_string = zeros(N,1);
t_cell = zeros(N,1);
for K = 1 : N; start = tic; s = join(string(val), ''); stop = toc(start); t_string(K) = stop; end
for K = 1 : N; start = tic; s = strjoin(cellstr(val), ''); stop = toc(start); t_cell(K) = stop; end
[mean(t_string(2:end)), mean(t_cell(2:end))]
ans = 1×2
1.0e+00 * 1.15959595959596e-05 4.07575757575758e-05
plot([t_string(2:end), t_cell(2:end)]);
legend({'string()', 'cellstr()'})

Sign in to comment.

Categories

Find more on Testing Frameworks 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!