MATLAB: Cell array with mixed data types into single type

cell arraydouble and single data types

i have cell array with mixed data types(single and double precision) randomly. how to convert it into one type in matlab

Best Answer

Let A - your cell array:

out = cellfun(@double,A);

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MATLAB: How to convert a numeric cell array with different data types to a matrix in MATLAB 8.1 (R2013a)

This conversion could be accomplished using CELLFUN in MATLAB. Matrices in MATLAB are however composed of uniform datatype and hence all the cell contents need to be converted to the same data-type.

The CELLFUN function takes each cell of the cell array, applies the function passed in as an argument and stores the output in the corresponding location of a matrix.

Let us consider an example,

C = {single(1),2; NaN, NaN}

The first cell of C contains a single data-type whereas the rest of the cells contain double data-type.

M = cellfun(@(x) double(x), C)

This function converts the contents of each cell of C to a double and stores them in a matrix M.

MATLAB: Mixed data types cell to string

C = {'NoGroup', 1; 2; 'Group3'};
for iC = 1:numel(C)
  if ~ischar(C{iC});
    C{iC} = num2str(C{iC});
  end
end

There are alternatives like cellfun('isclass', C, 'char') or sprintf('%g', C[iC}).

Best Answer

Related Solutions

MATLAB: How to convert a numeric cell array with different data types to a matrix in MATLAB 8.1 (R2013a)

MATLAB: Mixed data types cell to string

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