num_diff#

PySeismoSoil.helper_site_response.num_diff(veloc: ndarray) → ndarray[source]#

Perform numerical integration on velocity to get acceleration.

Parameters:: veloc (np.ndarray) – Velocity time history. Should have two columns. The 0th column is the time array, and the 1st column is the velocity.
Returns:: accel – Acceleration time history. Same shape as the input.
Return type:: np.ndarray