a Numerical rather than a "per definition" version of the spectral density should be returned by this method. The "per definition" version is obtained by constructing SpectralDensity object directly and sometimes it can be obtained analytically. Comparing the numerical and analytical form is a good check.
a Numerical rather than a "per definition" version of the spectral density should be returned by this method. The "per definition" version is obtained by constructing SpectralDensity object directly and sometimes it can be obtained analytically. Comparing the numerical and analytical form is a good check.