How do you insert a row or a column into a cell array?

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Benjamin Pommer 2022-10-9

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回答： dpb 2022-10-9

采纳的回答： dpb

Dear Matlab community

I want to insert a row or a column into a cell array. How could I conduct that?

Best regards

Benjamin

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Answer 1

dpb 2022-10-9

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No differently than with any other array -- although inserting in the middle somewhere requires copying (although with cell arrays, the actual data won't be copied)

c={rand(2),rand(2)}             % create starting cell array
c = 1×2 cell array
    {2×2 double}    {2×2 double}
c=[c(1) {rand(4,2)} c(2)]       % insert a new cell in the middle
c = 1×3 cell array
    {2×2 double}    {4×2 double}    {2×2 double}

NB: The cell array c itself must remain rectangular; as demonstrated the content in a cell can be anything. This with the orginal row vector can only insert a single row; with a 2D array will have to insert content for all rows/columns, etc., ...