Merging two structures of same lengths, different field names

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Anathea Pepperl 2011-3-15

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https://ww2.mathworks.cn/matlabcentral/answers/3285-merging-two-structures-of-same-lengths-different-field-names

I have a structure array called Xdata and a cell array called Ydata of the same lengths. Each Ydata depends on the date that Xdata was taken, so I used arrayfun in order to generate Ydata. That code looks like this:

Ydata = arrayfun(@(a) FindIncline(a.date), Xdata, 'UniformOutput', false);

Is there a way to use arrayfun so that, instead of assigning to Ydata, I can assign directly into Xdata?

If not, how do I merge the two together?

I can use the following:

    for i = 1: length(Xdata),
      Xdata(i).f1 = Ydata{i}.f1;
      Xdata(i).f2 = Ydata{i}.f2;
    end

to add the contents of Ydata into Xdata, but I'd like to have more efficient code.

Any suggestions?

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采纳的回答

Walter Roberson 2011-3-15

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I seem to recall that there is a structure merging contribution in the Matlab File Exchange (FEX)

If not then if you convert to cell, append the cell parts, and convert back, you will have achieved the merge.

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Anathea Pepperl 2011-3-16

Thank you! Used the CATSTRUCT function, and it worked perfectly!

Walter Roberson 2011-3-16

And thanks to Jos for writing the function.

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