class_docstr: A PID controller for ODE adaptive step size control.
class_docstr_tok: ["A","PID","controller","for","ODE","adaptive","step","size","control","."]
code: def limiter(self, x):
      return 1 + math.atan(x - 1)
  
imports: import math
  import torch
  import torchsde
  from scipy import integrate
  from torch import nn
  from torchdiffeq import odeint
  from tqdm.auto import tqdm, trange
label_desc: Use image node_id 2 for calling the PIDStepSizeController obj's underlying member method code with example usage: obj.limiter(x) and returns: unknown