public static void Main()
{
Vector vector = new SparseVector(10);
for (int i = 0; i < vector.Count; i++)
{
vector[i] = i % 2 * i;
}
//The Vector enumerator also returns a KeyValuePair with the key being the
//element's position in the Vector and the value being the element's value.
//For sparse matrices, the enumerator only returns non-zero values.
//The code below will return:
//Position: 1, Value: 1
//Position: 3, Value: 3
//Position: 5, Value: 5
//Position: 7, Value: 7
//Position: 9, Value: 9
foreach (KeyValuePair<int, double> element in vector.GetIndexedEnumerator())
{
Console.WriteLine("Position: {0}, Value: {1}", element.Key, element.Value);
}
}