code: def _create_intrinsics(
      self, batch_size, fx, fy, cx, cy, device, dtype
  ):
      temp = torch.eye(4, device=device, dtype=dtype)
      temp[0, 0], temp[0, 2] = fx, cx
      temp[1, 1], temp[1, 2] = fy, cy
      intrinsics = temp.expand(batch_size, -1, -1)
      return intrinsics
  
imports: import math
  import pytest
  import torch
  from torch.autograd import gradcheck
  import kornia
  from kornia.testing import assert_close, tensor_to_gradcheck_var
label_desc: Use image node_id 1 for calling the TestPixel2Cam obj's underlying member method code with example usage: obj._create_intrinsics(batch_size, fx, fy, cx, cy, device, dtype) and returns: intrinsics