how to make the best use of memory when running MATLAB.?

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mohammad
mohammad 2014-7-9
编辑： per isakson 2014-7-29
now i have an array includes numeric its size is 7 x 7 and i do some operation on that array
clc
clear
a = input('Please, select your array: ');
b = nonzeros(a);
c = length(b);
for d =1:c
if (d<c)
e{d} = nchoosek(b, d);
end
end
tt=cellfun(@(m) padarray(m,[0 max(cellfun(@(n) size(n,2), e)) - size(m,2)],'post'), e,'UniformOutput',0);
uu=cell2mat(tt([1:d-1])');
suu=size(uu)
uu(:,((suu(2))+1))=sum(uu')'
but i faced a problem during the implementation of the code this problem lies in the memory . please help me how to make the best use of memory when running MATLAB ?
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mohammad
mohammad 2014-7-16
Error using vertcat Out of memory. Type HELP MEMORY for your options.
Error in nchoosek>combs (line 165) P = [P; [v(ones(size(Q,1),1),k) Q]]; %#ok
Error in nchoosek (line 122) c = combs(v,k);
Error in testt (line 7) e{d} = nchoosek(b, d); that is the message which appears to me each time
per isakson
per isakson 2014-7-16
Are you sure there is enough memory to run your script? If so you need to debug your script. See
http://www.mathworks.se/matlabcentral/answers/87710#answer_97292
and start with
dbstop if error

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回答（1 个）

per isakson
per isakson 2014-7-16
编辑：per isakson 2014-7-29
Try
>> e = nchoosek((1:7*7)',24);
which returns
Error using nchoosek (line 120)
Maximum variable size allowed by the program is exceeded.
with my system: R2013a, 64bit, Win7, 8GB

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