MATLAB: Convert 1x1x6381 double to 6381×1 double

cell arrays

I have a column of data in the form 1x1x6381 as seen in image but I want it in the form of 6381×1. So as 76.7309 76.5815 76.5777 etc.

Thanks

Best Answer

If A is your array, then this will convert it into a column vector, regardless of its original size:

A(:)

See: https://www.mathworks.com/help/matlab/ref/colon.html

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https://www.mathworks.com/help/matlab/matlab_prog/string-evaluation.html

https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval

MATLAB: How to convert a cell array to matrix whose dimensions are not equal

%using variable names from your posting, structure as in capture.JPG
md1 = mydata{1};
md2 = mydata{2};
md3 = mydata{3};
md4 = mydata{4};
md5 = mydata{5};
[X, Y, Z] = ndgrid(md1, md2, md3);
pointsize = 20;
scatter3(X(:), Y(:), Z(:), pointsize, md5(:));
%using variable names from data file.JPG
%the data is a mix of int16 and int32 and we need to make it all the same datatype to
%make it into a numeric matrix without risk that the wrong datatype would be used
temp = cellfun(@(M) int32(M.'), permute(B,[1 3 2]), 'Uniform', 0);
B30 = cell2mat( arrayfun(@(R) horzcat(temp{R,:}), 'Uniform', 0) );

The result of this, B30, would be a 30 x 10666 numeric array, in which each row is formed by concatenating together the 2446 x 1, 2532 x 1, 2651 x 1, 3037 x 1 as one piece and making that a row.

Best Answer

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MATLAB: How to copy every 500 rows to a new variable

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