public static double CalcAverageMz(Peak peak, int[] indx, double[,] mzCalibrationPar,
double[,] intensityCalibrationPar, double absoluteCalibration)
{
if (double.IsNaN(absoluteCalibration))
{
absoluteCalibration = 0;
}
double norm1 = 0;
double m = 0;
if (mzCalibrationPar == null)
{
foreach (int index0 in indx)
{
norm1 += peak.origIntensity[index0];
double mz = peak.centerMz[index0];
m += peak.origIntensity[index0] * mz;
}
m /= norm1;
return(m);
}
foreach (int index0 in indx)
{
norm1 += peak.origIntensity[index0];
double mz = peak.centerMz[index0] * (1 + 1e-6 * NumUtil.RelativeCorrection(peak.centerMz[index0], mzCalibrationPar,
intensityCalibrationPar,
peak.origIntensity[index0],
peak.massRange[index0]) +
1e-6 * absoluteCalibration);
m += peak.origIntensity[index0] * mz;
}
m /= norm1;
return(m);
}