/// <summary>
/// Calculates the product.
/// </summary>
/// <param name="factor">Factor value.</param>
/// <returns>Product.</returns>
public Vector Product(double factor)
{
Vector result = this;
result.I = result.ProductInI(factor);
result.J = result.ProductInJ(factor);
result.K = result.ProductInK(factor);
return(result);
}