How to split command signal arrays in command order sequence?

Hello I have example for this question.

 A = [0 0 1 1 1 0 0 1 1 1 1 1 0 0 0 1 1 1 0 0];

then I wanna split this signal in order sequence like below

 a1 = [0 0];
 a2 = [1 1 1];
 a3 = [0 0];
 a4 = [1 1 1 1 1];
 a5 = [0 0 0];
 a6 = [1 1 1];
 a7 = [0 0];

It's important array number(1 ~ 7) because I will analize with order sequence.

help me anybody please..

and I built code for calculate order count number with imputing signal, I would like to attach a note for you.

 A = [0 0 1 1 1 0 0 1 1 1 1 1 0 0 0 1 1 1 0 0];
 a = diff(A);
 b = abs(a);
 c = cumsum(b);
 count_order_A = c(end) + 1;
 % Then you can return answer '7'

[Stephen23]

@jamin kong: creating or accessing numbered variables, like a1, a2, a3, etc, is slow, complex, and buggy. You should avoid doing this, and simply learn how to use fast and efficient arrays with indexing. Read this to know more:

https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval

Answer 1

[Stephen23]

Use mat2cell and then cell array indexing to access the subvectors:

>> A = [0 0 1 1 1 0 0 1 1 1 1 1 0 0 0 1 1 1 0 0];
>> D = diff(find([1,diff(A),1]));
>> C = mat2cell(A,1,D);
>> C{:}
ans =
   0   0
ans =
   1   1   1
ans =
   0   0
ans =
   1   1   1   1   1
ans =
   0   0   0
ans =
   1   1   1
ans =
   0   0
>>

[jamin kong]

Thank you for your awesome code!!

Answer 2

[Guillaume]

I'm not entirely sure what you're asking, but if you want to split that vector, it's simply:

a = mat2cell(A, 1, diff([0, find(diff(A)), numel(A)]));
celldisp(a)

Note that this creates a cell array of vectors, that you can easily access with a{1}, a{2}, etc. Never ever create numbered variables as your a1, a2, ... It's dead easy to iterate over the elements of a cell array, it's hard to do the same with numbered variables.

[jamin kong]

Thank you for your awesome Code!!!