/// <summary>Finds the <see cref="NetworkParametersMatrix"/> at or nearest to <paramref name="frequency"/>.</summary>
/// <param name="frequency">The frequency to locate in Hz.</param>
/// <returns>The <see cref="NetworkParametersMatrix"/> at or nearest to <paramref name="frequency"/>.</returns>
public TMatrix Nearest(double frequency)
{
bool predecessorFound = frequencies.TryWeakPredecessor(frequency, out double predecessor);
bool successorFound = frequencies.TryWeakSuccessor(frequency, out double successor);
if (predecessorFound && successorFound)
{
double preDelta = Math.Abs(predecessor - frequency);
double postDelta = Math.Abs(successor - frequency);
return(preDelta < postDelta ? this[predecessor] : this[successor]);
}
else if (predecessorFound)
{
return(this[predecessor]);
}
else if (successorFound)
{
return(this[successor]);
}
throw new ArgumentOutOfRangeException(nameof(frequency));
}
