cellfunc vs cell2mat speed?

David Bateman adb014 at gmail.com
Tue Sep 9 14:15:53 CDT 2008


Levente Torok wrote:
> Hi All,
> 
> I am just wondering why is it so difficult to convert a cell array to matrix?
> 
> I used cellfunc on  cell array of 59000 cells which took 7 seconds
> but the conversion to a matrix of size
> 443320 , 7
> took about 1080 seconds on my machine.
> 
> The cell2mat on the same data took appx 150 times more time.
> I am just shocked. Should I replace the original cell2mat with a C routine?
> 
> Lev
> 

Short example please. The above is not much use as a bug report.

D.


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