Split array into separate arrays, where difference between values exceeds a specific number

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Nathaniel Werner 2018-7-29

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https://ww2.mathworks.cn/matlabcentral/answers/412556-split-array-into-separate-arrays-where-difference-between-values-exceeds-a-specific-number

评论： Rik 2018-7-29

采纳的回答： Stephen23

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Let's say I have this array.

A = [1 2 3 4 10 11 12 20 21 22 23 29 30 31 32 40 41 42];

In this array, between the 4th and 5th the array increments by 6, then between the 7th and 8th by 8, with all others by 1 and so on. I'd like to split the array up into separate arrays between the jumps that exceed 1. For this array I'm expecting an output like this.

   Out1 = [ 1 2 3 4 ];
   Out2 = [ 10 11 12 ];
   Out3 = [ 20 21 22 23 ];
   Out4 = [ 29 30 31 32 ];
   Out5 = [ 40 41 42 ];

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Rik 2018-7-29

Don't use numbered variables. Use diff, a loop and a cell array instead.

Nathaniel Werner 2018-7-29

Care to elaborate?

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采纳的回答

Stephen23 2018-7-29

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X = cumsum([true,diff(A)~=1]);
C = accumarray(X(:),A(:),[],@(m){m});

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Rik 2018-7-29

Or let Matlab do the looping. That'll work as well. (or better)

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MATLAB Language Fundamentals Matrices and Arrays Creating and Concatenating Matrices

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