# How to switfh off combine functrion in sparse?

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## How to switfh off combine functrion in sparse?

 How to switfh off combine functrion  in sparse? I need to ingore new value if in data is duplicat row/col. Somthing like this : sparse(I,J,V,m,n,+=0) but this dont work.Paul
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## Re: How to switfh off combine functrion in sparse?

 try sparse(I,J,V,m,n,(a,b) ->a)On Friday, August 12, 2016 at 5:06:29 PM UTC+2, [hidden email] wrote:How to switfh off combine functrion  in sparse? I need to ingore new value if in data is duplicat row/col. Somthing like this : sparse(I,J,V,m,n,+=0) but this dont work.Paul
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## Re: How to switfh off combine functrion in sparse?

 ThX, PaulW dniu piątek, 12 sierpnia 2016 18:28:26 UTC+2 użytkownik Kristoffer Carlsson napisał:try sparse(I,J,V,m,n,(a,b) ->a)On Friday, August 12, 2016 at 5:06:29 PM UTC+2, [hidden email] wrote:How to switfh off combine functrion  in sparse? I need to ingore new value if in data is duplicat row/col. Somthing like this : sparse(I,J,V,m,n,+=0) but this dont work.Paul