This is the command gvgen that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
gvgen - generate graphs
SYNOPSIS
gvgen [ -dv? ] [ -in ] [ -cn ] [ -Cx,y ] [ -g[f]x,y ] [ -G[f]x,y ] [ -hn ] [ -kn ] [
-bx,y ] [ -Bx,y ] [ -mn ] [ -Mx,y ] [ -pn ] [ -rx,y ] [ -Rx ] [ -sn ] [ -Sn ] [ -tn ] [
-td,n ] [ -Tx,y ] [ -Tx,y,u,v ] [ -wn ] [ -nprefix ] [ -Nname ] [ -ooutfile ]
DESCRIPTION
gvgen generates a variety of simple, regularly-structured abstract graphs.
OPTIONS
The following options are supported:
-c n Generate a cycle with n vertices and edges.
-C x,y Generate an x by y cylinder. This will have x*y vertices and 2*x*y - y edges.
-g [f]x,y
Generate an x by y grid. If f is given, the grid is folded, with an edge attaching
each pair of opposing corner vertices. This will have x*y vertices and 2*x*y - y -
x edges if unfolded and 2*x*y - y - x + 2 edges if folded.
-G [f]x,y
Generate an x by y partial grid. If f is given, the grid is folded, with an edge
attaching each pair of opposing corner vertices. This will have x*y vertices.
-h n Generate a hypercube of degree n. This will have 2^n vertices and n*2^(n-1) edges.
-k n Generate a complete graph on n vertices with n*(n-1)/2 edges.
-b x,y Generate a complete x by y bipartite graph. This will have x+y vertices and x*y
edges.
-B x,y Generate an x by y ball, i.e., an x by y cylinder with two "cap" nodes closing the
ends. This will have x*y + 2 vertices and 2*x*y + y edges.
-m n Generate a triangular mesh with n vertices on a side. This will have (n+1)*n/2
vertices and 3*(n-1)*n/2 edges.
-M x,y Generate an x by y Moebius strip. This will have x*y vertices and 2*x*y - y edges.
-p n Generate a path on n vertices. This will have n-1 edges.
-r x,y Generate a random graph. The number of vertices will be the largest value of the
form 2^n-1 less than or equal to x. Larger values of y increase the density of the
graph.
-R x Generate a random rooted tree on x vertices.
-s n Generate a star on n vertices. This will have n-1 edges.
-S n Generate a Sierpinski graph of order n. This will have 3*(3^(n-1) - 1)/2 vertices
and 3^n edges.
-t n Generate a binary tree of height n. This will have 2^n-1 vertices and 2^n-2 edges.
-t h,n Generate a n-ary tree of height h.
-T x,y
-T x,y,u,v
Generate an x by y torus. This will have x*y vertices and 2*x*y edges. If u and v
are given, they specify twists of that amount in the horizontal and vertical
directions, respectively.
-w n Generate a path on n vertices. This will have n-1 edges.
-i n Generate n graphs of the requested type. At present, only available if the -R flag
is used.
-n prefix
Normally, integers are used as node names. If prefix is specified, this will be
prepended to the integer to create the name.
-N name
Use name as the name of the graph. By default, the graph is anonymous.
-o outfile
If specified, the generated graph is written into the file outfile. Otherwise, the
graph is written to standard out.
-d Make the generated graph directed.
-v Verbose output.
-? Print usage information.
EXIT STATUS
gvgen exits with 0 on successful completion, and exits with 1 if given an ill-formed or
incorrect flag, or if the specified output file could not be opened.
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