create a matrix that keeps only the sequential numbers
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Hi! I need to create a matrix that keeps only the sequential numbers in the first column (and keep the corresponding number in the second column) and delete everything else. Here is an example:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1449102/image.png)
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Akira Agata
2023-8-3
What happens if the 1st column consists of two sequential numbers, like: [1 2 3 4 7 8 9 10]' ?
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Stephen23
2023-8-3
S = load('CountArray_A_zoom_select.mat');
A = S.CountArray_A_zoom_select
X = diff(A(:,1))==1;
Y = [X;0]|[0;X];
B = A(Y,:)
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