control.matlab.mag2db
- control.matlab.mag2db(mag)[source]
Convert a magnitude to decibels (dB).
If A is magnitude,
db = 20 * log10(A)
- Parameters
mag (float or ndarray) – input magnitude or array of magnitudes
- Returns
db – corresponding values in decibels
- Return type
float or ndarray
Examples
>>> ct.mag2db(10.0) 20.0
>>> ct.mag2db(np.array([1, 0.01])) array([ 0., -40.])