Split values in an cell array by using a threshold
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Hello everyone.I have a cell array of variable (A), 1x91.In each cell it has an array of size 256x256.I would like to threshold each array so that elements lesser than or greater than a given threshold value are stored in different variable.Your help is really appreciated.
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One way,
A_lower = cellfun(@(x) x(x<threshold), A, 'uni',0);
A_upper = cellfun(@(x) x(x>threshold), A, 'uni',0);
4 个评论
Sabari G
2020-5-19
Sabari G
2020-5-19
Matt J
2020-5-19
In the case where you got empty matrices, it because none of your data fall below 0.5. In the case where you got error messages, it is because your A variable is not a cell array.
Below is a small example showing that the technique will work when properly applied:
>> A={rand(3), rand(3)}; A{:}
ans =
0.5407 0.9734 0.1941
0.8929 0.6006 0.7933
0.9092 0.8582 0.8144
ans =
0.5087 0.0331 0.7163
0.3399 0.1797 0.3758
0.6815 0.7166 0.3589
>> A_lower = cellfun(@(x) x(x<0.5), A, 'uni',0); A_lower{:}
ans =
0.1941
ans =
0.3399
0.0331
0.1797
0.3758
0.3589
Sabari G
2020-5-20
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