Function normalize

pattern/graph/graph.js:1438–1443

(vector)

    if (a.iterations === undefined) a.iterations = 100;
    if (a.tolerance  === undefined) a.tolerance  = 0.0001;
    function normalize(vector) {
        var w = 1.0 / (Array.sum(Object.values(vector)) || 1);
        for (var node in vector) {
            vector[node] *= w;
        }
    }
    var G = Graph.adjacency(graph, a);
    var v = {}; for(var n in graph.nodeset) v[n] = Math.random(); normalize(v);
    // Eigenvector calculation using the power iteration method: y = Ax.