SimPEG.electromagnetics.time_domain.sources.TrapezoidWaveform.eval_deriv#
- TrapezoidWaveform.eval_deriv(time)[source]#
- Evaluate the time derivative of the linear ramp-off waveform at given times - Parameters:
- timefloatornumpy.ndarray
- Time(s) to evaluate the waveform derivative at. 
 
- time
- Returns:
- floator- numpy.ndarray
- Source current at the time provided