qiskit.pulse.library.sech_deriv

sech_deriv(duration, amp, sigma, name=None)

Generates unnormalized sech derivative Waveform.

For $A=$ amp, $\sigma=$ sigma, and center $\mu=$ duration/2, applies the midpoint sampling strategy to generate a discrete pulse sampled from the continuous function:

f(x) = \frac{d}{dx}\left[A\text{sech}\left(\frac{x-\mu}{\sigma} \right)\right],

i.e. the derivative of $\text{sech}$ .

Parameters

duration (int) – Duration of pulse. Must be greater than zero.
amp (complex) – Pulse amplitude at center.
sigma (float) – Width (standard deviation) of pulse.
name (str | None) – Name of pulse.

Return type

Waveform

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