I've implemented a directed graph in Ruby using RGL, just having difficulty figuring out how to, for a given node, find only the nodes with incoming connections and the nodes with outgoing connections. Perhaps I'm missing something simple.
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Is it possible to use the R package 'RGL' in x64 Windows?
RGL Website
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I would like to see an example of a Dijkastra search algorithm for a graph built using Ruby's RGL (http://rgl.rubyforge.org/) or GRATR (http://rubyforge.org/projects/gratr/).
I know GRATR has Dijkastra support but I'm not really sure how to go about using it, any help would be appreciated.
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Hello
imagine I have a 3 columns matrix
x, y, z
where z is a function of x and y.
I know how to plot a "scatter plot" of these points with
plot3d(x,y,z)
But if I want a surface instead I must use other commands such as surface3d
The problem is that it doesn't accept the same inputs as plot3d
it seems to need a matrix with
(nº elem...