http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=8162409&tstart=0#8162409 Jan 26, 2013 10:49:08 AM Jan 26, 2013 10:49:08 AM mattjacREMOVE@THISieee.spam 0 http://mathforum.org/kb/thread.jspa?messageID=8162165&tstart=0#8162165
[m n] = size(A);
B = A(repmat(1:m,2,1),repmat(1:n,2,1))

% Bruno
]]> Jan 26, 2013 10:40:08 AM Jan 26, 2013 10:40:08 AM b.luong@fogale.findmycountry 0 http://mathforum.org/kb/thread.jspa?messageID=8159440&tstart=0#8159440 > % Third method:
>
> [m n] =]]> Jan 26, 2013 5:45:47 AM Jan 26, 2013 5:45:47 AM adamchapman1985@hotmail.co.uk 1 http://mathforum.org/kb/thread.jspa?messageID=8159221&tstart=0#8159221 [m n] = size(A);
B = A(ceil((1:2*m)/2),ceil((1:2*n)/2))

% Bruno
]]> Jan 26, 2013 5:08:07 AM Jan 26, 2013 5:08:07 AM b.luong@fogale.findmycountry 2 http://mathforum.org/kb/thread.jspa?messageID=8151927&tstart=0#8151927 [m n] = size(A);
B = reshape(A,1,m,1,n);
B = repmat(B, [2 1 2 1]);
B = reshape(B,[m n]*2)

% Second way
B =]]> Jan 25, 2013 4:56:08 PM Jan 25, 2013 4:56:08 PM b.luong@fogale.findmycountry 3 http://mathforum.org/kb/thread.jspa?messageID=8151697&tstart=0#8151697
For example, changing the array

1 2]]> Jan 25, 2013 4:34:54 PM Jan 25, 2013 4:34:54 PM adamchapman1985@hotmail.co.uk 5