BUCHI NIRWare - Manual (Page 288)

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NIRWare Suite NIRWare 1.5 Software Manual
Method formulas
Maximum Distance of 2nd
Derivative
Maximum Distance
NOTE
To use this algorithm there must
be at least 3 spectra of the
same property inside the library.
Wavelength Correlation of 2nd
Derivative
Wavelength Correlation
Squared Differences of 2nd
Deriv with Smoothing Msq2d= Scale * Sum( Sqr( Magic(s) - Magic(r) )
)(SecondDerivativeSmoothing)
Squared Differences of
Normalisation 0 to 1 Msqn01= Scale * Sum( Sqr( Norm(s) - Norm(r) ) )Normalization 0
to 1 taking wavelength selection into account
Squared Differences of Vector
Normalisation Msqn= Scale * Sum( Sqr( Norm(s) - Norm(r) ) )Normalization to
Unit Length taking wavelength selection into account
Correlation Coefficient Meu = Scale * Sqrt( Sum( Sqr( s - r ) ) )
Euclidian Distance Meu = Scale * Sqrt( Sum( Sqr( s - r ) ) )
Squared Difference of
Derivative Msd = Scale * Sum( Sqr( Deriv(s) - Deriv(r) )
)(FirstDerivativeSavitzkyGolay9Point)
Difference of Derivative Mad = Scale * Sum( Abs( Deriv(s) - Deriv(r) )
(FirstDerivativeSavitzkyGolay9Point)
Squared Differences Msq = Scale * Sum( Sqr( s - r ) )
Difference Mab = Scale * Sum( Abs( s - r ) )