The title says it all. Example code:
x=cell(10000000, 1);x(1980) = {1};tic; find(~cellfun(@isempty, x)); tocElapsed time is 9.189388 seconds.tic; find(~cellfun('isempty', x)); tocElapsed time is 0.061950 seconds.
cellfunspeedundocumented
x=cell(10000000, 1);x(1980) = {1};tic; find(~cellfun(@isempty, x)); tocElapsed time is 9.189388 seconds.tic; find(~cellfun('isempty', x)); tocElapsed time is 0.061950 seconds.
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