code: def create(optimizer, max_lr, min_lr, cycles, cycle_len=1, cycle_mult=1, interpolate='linear', init_lr=0, init_iter=0):
      
      return CyclePhase(
          max_lr=max_lr,
          min_lr=min_lr,
          cycles=cycles,
          cycle_len=cycle_len,
          cycle_mult=cycle_mult,
          interpolate=interpolate,
          optimizer_factory=optimizer,
          init_lr=init_lr,
          init_iter=init_iter,
      )
docs: Vel factory function