How to find the number of continuous data set along each row in the matrix given below? Desired result given below.

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Payel 2023-7-1

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https://ww2.mathworks.cn/matlabcentral/answers/1990698-how-to-find-the-number-of-continuous-data-set-along-each-row-in-the-matrix-given-below-desired-resu

评论： John D'Errico 2023-7-1

采纳的回答： Animesh

V =[0 0 1 1 1 0 1 1;1 1 0 0 0 0 1 1;0 0 1 1 1 0 0 0;1 1 1 0 0 1 1 1;0 1 1 1 0 0 1 1;0 1 1 0 0 1 1 0;0 1 1 1 1 1 1 0]

desired_result=[2;2;1;2;2;2;1]

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Payel 2023-7-1

By continuous data I tried to mean consecutive non-zero values. In the first row there are 2 sets of continuous data; first set (1 1 1) and second set (1 1). In the third row there is only one such set i.e. (1 1 1). I want to calculate the number of sets of such continuous data along each row. Desired result variable shows the number of such sets along each row.

John D'Errico 2023-7-1

Exactly what is different in this question from the one where you got two answers already?

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Answer 1

Animesh 2023-7-1

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Hey @Payel

You can try something like this :

V = [0 0 0 0 0 0 0 0;
     1 1 0 0 0 0 1 1;
     0 0 1 1 1 0 0 0;
     1 1 1 0 0 1 1 1;
     0 1 1 1 0 0 1 1;
     0 1 1 1 1 1 1 0;
     0 1 1 1 1 1 1 0];
desired_result = zeros(size(V, 1), 1);
for i = 1:size(V, 1)
    counter = 0;
    for j = 1:size(V, 2)
        if (V(i, j) ~= 0) && (j == 1 || V(i, j - 1) == 0)
            counter = counter + 1;
        end
    end
    desired_result(i) = counter;
end
desired_result