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From: Andrew Stevens on 10 Feb 2010 20:09
Hi all,

I am trying to figure out a way to replace values in a cell array with NaN. I can do it with a loop, but I have somehow got myself into the CELLFUN habit and don't much like the look of the loop:

%generate some data
data=cellfun(@(x)(rand(x,1)),...
num2cell(ceil(rand(5,1)*100)),'un',0);

data =

[26x1 double]
[42x1 double]
[34x1 double]
[30x1 double]
[91x1 double]

%now if I want to replace values greater than 0.5 in each cell I could:

for i=1:length(data)
data{i}(data{i}>0.5)=NaN;
end

Is there a way to do it using CELLFUN? My initial attempt looked something like this:

data=cellfun(@(x)(x(x>0.5)=NaN),data,'un',0);

but that syntax is not valid. Any ideas?

Andrew
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