# skrf.mathFunctions.complex_2_db¶

skrf.mathFunctions.complex_2_db(z)[source]

Return the magnitude in dB of a complex number (as $$20\log_{10}(|z|)$$)..

The magnitude in dB is defined as $$20\log_{10}(|z|)$$ where $$z$$ is a complex number.

Parameters

z (number or array_like) – A complex number or sequence of complex numbers

Returns

mag20dB

Return type

ndarray or scalar