This function calculates an Q-factor of a serial resonator. This function calculates an Q-factor of a serial resonator. The result is true at only resonance frequency. FREQ/2*mag( (A[f+1]-A[f-1]) /(FREQ[f+1]-FREQ[f-1]) /real(A[f])) This function calculates an Q-factor of a paralell resonator. This function calculates an Q-factor of a paralell resonator. The result is true at only resonance frequency. FREQ/2*mag( (A[f+1]-A[f-1]) /(FREQ[f+1]-FREQ[f-1]) /real(A[f])) This function calculates an equivalent inductance of a serial resonator. This function calculates an equivalent inductance of a serial resonator. The result is true at only resonance frequency. imag( (A[f+1]-A[f-1]) /(FREQ[f+1]-FREQ[f-1]) ) /2/2/pi This function calculates an equivalent or capacitance for a parelell resonator. This function calculates an equivalent capacitance for a paralell resonator. The result is true at only resonance frequency. imag( (A[f+1]-A[f-1]) /(FREQ[f+1]-FREQ[f-1]) ) /2/2/pi