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Topic: Generate random numbers with fixed sum and different constraints
Replies: 25   Last Post: Sep 17, 2013 2:28 AM

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 Roger Stafford Posts: 5,929 Registered: 12/7/04
Re: Generate random numbers with fixed sum and different constraints
Posted: Nov 19, 2012 6:10 PM

"Bruno Luong" <b.luong@fogale.findmycountry> wrote in message <k8dakj\$39u\$1@newscl01ah.mathworks.com>...
> It seems to me this task
> w = randfixedsum(m,n,1,0,1)
> can be optimized as well. .....

- - - - - - - - -

R = bsxfun(@power,rand(m-1,n),1./(m-1:-1:1)');
X = cumprod([ones(1,n);R]).*[ones(m,n)-[R;zeros(1,n)]];

Roger Stafford

Date Subject Author
11/14/12 Dmitrey Yershov
11/17/12 Greg Heath
11/17/12 Roger Stafford
11/17/12 Bruno Luong
11/17/12 Roger Stafford
11/18/12 Dmitrey Yershov
11/18/12 Bruno Luong
11/19/12 Bruno Luong
11/19/12 Dmitrey Yershov
11/19/12 Bruno Luong
11/19/12 Dmitrey Yershov
11/19/12 Bruno Luong
11/19/12 Bruno Luong
11/19/12 Roger Stafford
11/20/12 Bruno Luong
11/20/12 Bruno Luong
11/20/12 Roger Stafford
11/21/12 Bruno Luong
11/21/12 james bejon
11/20/12 james bejon
9/17/13 JS Hong
9/17/13 JS Hong
11/19/12 David Epstein
11/19/12 Roger Stafford
11/20/12 Bruno Luong
11/17/12 Greg Heath