On 5/25/08, Istvan Kadar <[EMAIL PROTECTED]> wrote: > My problem is the following. > > In the tree root is a altitude value and in the nodes are > altitude differences of the adjacent nodes in the graph. > Let the tree sum from root to nodes (from left to right) > to obtain in all nodes altitudes. > > My question: how need to modify in the tsum_des verb > (Jwiki/Essays/Tree Sum) for this end?
p=: 0 0 0 1 2 2 3 3 4 4 4 4 5 5 6 v=: 182 _127 _61 _15 _69 _71 _29 _23 _52 _38 _46 _34 _37 _32 0 Using definitions from that essay: v (|:@[EMAIL PROTECTED]@[EMAIL PROTECTED] +/ .* [) p 182 55 121 40 52 50 11 17 0 14 6 18 13 18 11 Was that what you were looking for? Thanks, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
