public static double FatorK(double grausLiberdade)
{
double taxa;
double[] lista = new double[28] {
13.97, 4.53, 3.31, 2.87, 2.65, 2.52, 2.43, 2.37, 2.32, 2.28, 2.25, 2.23, 2.21, 2.20, 2.18, 2.17, 2.16, 2.15, 2.14, 2.13, 2.11, 2.09, 2.07, 2.06, 2.06, 2.05, 2.025, 2
};
double[] vetorGraus = new double[28] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 25, 30, 35, 40, 45, 50, 100, 0
};
int limiteInferior = Convert.ToInt32(Math.Floor(grausLiberdade));
int limiteSuperior = Convert.ToInt32(Math.Ceiling(grausLiberdade));
for (int i = 0; i < vetorGraus.Length; i++)
{
if (grausLiberdade < vetorGraus[i])
{
limiteInferior = Convert.ToInt32(vetorGraus[i - 1]);
limiteSuperior = Convert.ToInt32(vetorGraus[i]);
break;
}
}
if (limiteSuperior > 100)
{
limiteInferior = 26;
limiteSuperior = Convert.ToInt32(grausLiberdade);
taxa = Calculos.Interpolacao(limiteSuperior, limiteInferior, 2, lista[limiteInferior - 1]);
}
else
{
taxa = Calculos.Interpolacao(limiteSuperior, limiteInferior, lista[limiteSuperior - 1], lista[limiteInferior - 1]);
}
double K = (taxa * (grausLiberdade - limiteInferior)) + lista[limiteInferior - 1];
return(K);
}
public static double IncertezaA(float[] vetor, int numeroMedidas)
{
double U = Calculos.DesvPad(vetor) / Math.Sqrt(Convert.ToDouble(numeroMedidas));
return(U);
}