# Writing 3D array to excel sheet

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Zee 2022 年 6 月 3 日

Hello,
I would like to write Matlab output having dimension 2040x5x174 to an excel sheet. xlswrite function is restricted for 2D array as I get following error: 'Dimension of input array cannot be higher than two.'
Is there any other function that I can use or any other way to write this. Thanks.
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Walter Roberson 2022 年 6 月 3 日
Either reshape() or write the slices to separate sheets. Excel has no support for 3d arrays.

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### 採用された回答

Dhanush Yeddula 2022 年 6 月 7 日

The function “xlswrite can handle only 2D data. In order to write your 3D data you can either reshape the data into a large 2D array, or you can run a loop to save each sheet of your data to a sheet of the excel file. The conversion from 3D to 2D can be done in a couple of ways. The following examples demonstrate these techniques:
%% Example 1
a = rand(3,3,3)
for i = 1:3
% use a for loop to remove 1 dimension and write into different worksheets
b = (squeeze(a(i,:,:)))'
xlswrite('exanple1.xls', b, ['Sheet', num2str(i)])
end
%% Example 2
a = rand(3,3,3)
% use reshape to remove 1 dimension
b = reshape(a,3,9)
xlswrite('example2.xls', b)

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