public void NBestVPTree(Array <float> mb, double[] bestd, int[] bestw)
{
if (_vpTree == null)
{
_vpTree = new VPTree <Array <float> >(ArrayVectors(), MinusDotProduct);
}
_vpTree.Search(mb / NN.Norm(mb), bestw, bestd);
}
public static void Normalize(Array <float> v)
{
var norm = NN.Norm(v);
if (norm != 0)
{
v.Div(norm, result: v);
}
}
private Array <float>[] ArrayVectors()
{
var vectors = new Array <float> [Text.Length];
for (int i = 0; i < vectors.Length; i++)
{
vectors[i] = this[Text[i]] / NN.Norm(this[Text[i]]);
}
return(vectors);
}
public static Array <Real> Normalize(this Array <Real> a, Array <Real> result = null)
{
return(a.Scale(1 / NN.Norm(a), result: result));
}
