hi i have 1x36 cell,each cell contains 2x2 cell, how to convert it into 4x36 double in matlab

Question

kaavya subramani 2016-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/313435-hi-i-have-1x36-cell-each-cell-contains-2x2-cell-how-to-convert-it-into-4x36-double-in-matlab

评论： kaavya subramani 2016-11-22

采纳的回答： Guillaume

plz help me

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Answer 1

Guillaume 2016-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/313435-hi-i-have-1x36-cell-each-cell-contains-2x2-cell-how-to-convert-it-into-4x36-double-in-matlab#answer_244275

在 MATLAB Online 中打开

 cell2mat(cellfun(@(c) reshape(cell2mat(c),[], 1), yourcellarray, 'UniformOutput', false))

Although if it's a continuation of the previous question, then change the code to:

cell2mat(cellfun(@(m) reshape(cellfun(@(quadrant) max(quadrant(:)), ...  max of a quadrant
                                      mat2cell(m, ...                    convert matrix in cell into cell of 4 quadrant
                                               [ceil(size(m, 1)/2), floor(size(m, 1)/2)], ...
                                               [ceil(size(m, 2)/2), floor(size(m, 2)/2)])), ...
                              [], 1), ... reshape maxs of quadrant into column vector
                 yourcellarray, 'UniformOutput', false)) %process each cell

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kaavya subramani 2016-11-22

so nice.............Once again thanks sir..........

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Answer 2

KSSV 2016-11-22

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https://ww2.mathworks.cn/matlabcentral/answers/313435-hi-i-have-1x36-cell-each-cell-contains-2x2-cell-how-to-convert-it-into-4x36-double-in-matlab#answer_244274

在 MATLAB Online 中打开

clc; clear all ;
A = cell(1,36) ;
for i = 1:36
    A{i} = cell(2) ;
A{i}{1,1} = rand(2) ;
A{i}{1,2} = rand(2) ;
A{i}{2,1} = rand(2) ;
A{i}{2,2} = rand(2) ;
end
% 
B = cell(1,36) ;
for i = 1:36
    B{i} = cell2mat(A{1}) ;
end
or 
iwant = cellfun(@cell2mat,A,'un',0);