find and store the index value of maximum or minimum value of cell array

Question

neha mehani 2022-10-3

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https://ww2.mathworks.cn/matlabcentral/answers/1816300-find-and-store-the-index-value-of-maximum-or-minimum-value-of-cell-array

编辑： Davide Masiello 2022-10-3

i have cell of size 613x1 and each cell has 200x1 column in it . i want to find out the index location of maximum and minimum of each column in cell and store it in different vector. further i want to split the cell based on these index location.

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Answer 1

Simon Chan 2022-10-3

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https://ww2.mathworks.cn/matlabcentral/answers/1816300-find-and-store-the-index-value-of-maximum-or-minimum-value-of-cell-array#answer_1065405

在 MATLAB Online 中打开

[~,idxMax]=cellfun(@max,yourCell);      % Index for maximum
[~,idxMin]=cellfun(@min,yourCell);      % Index for minimum

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Answer 2

Davide Masiello 2022-10-3

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https://ww2.mathworks.cn/matlabcentral/answers/1816300-find-and-store-the-index-value-of-maximum-or-minimum-value-of-cell-array#answer_1065415

编辑：Davide Masiello 2022-10-3

在 MATLAB Online 中打开

Example

for row = 1:613
    yourcellarray(row,1) = {randi(100,200,1)};
end
yourcellarray
yourcellarray = 613×1 cell array
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
    {200×1 double}
yourcellarray{1}
ans = 200×1
    49
    86
    95
    78
    37
    36
    99
     4
    67
    13

Above is just an example of the type of cell array you have described. Now, to find the index of the maximum and minimum for each cell, you just need to do

[~,idxMax] = cellfun(@max,yourcellarray)
idxMax = 613×1
     7
    93
     4
    40
    55
    41
    58
    50
   106
    28
[~,idxMin] = cellfun(@min,yourcellarray)
idxMin = 613×1
    22
    45
    50
    62
   167
    71
    57
   170
    17
    91