subtract

Description:

[ Version ( since = "1.3.1" ) ]
public Spectrum subtract (Spectrum s2, double resolution)

Subtracts one spectral plot from another.

If the spectra have the same start, end and the same number of data points they are not resampled.

Parameters:

this

a Spectrum instance, e.g. a sample
s2

a Spectrum instance, e.g. a dark calibration
resolution

the resolution to use when resampling

Returns:

a Spectrum instance