New answers tagged version-7
5
With Combinatorica, you should usually use MakeGraph rather than Graph directly. Here are some expressions that create the graph you want and which can be easily adapted for use with any graph that you've defined appropriate vertices and edges symbols for:
Needs["Combinatorica`"]
crds = {{1, 10}, {2, 4}, {10, 5}, {20, 10}};
vertices = Range[Length[crds]];
...
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Needs["Combinatorica`"];
crds = {{1, 10}, {2, 4}, {10, 5}, {20, 10}}
vertices = Range[Length[crds]]; edges =
Thread[vertices -> RotateLeft[vertices]];
GraphPlot[edges]
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