code: def batch_det(a):
      """Computes the determinant of a batch of square matrices.
  
      Args:
          a (:class:`~chainer.Variable` or :ref:`ndarray`):
              Input array to compute the determinant for.
              The first dimension should iterate over each matrix and be
              of the batchsize.
  
      Returns:
          ~chainer.Variable: vector of determinants for every matrix
          in the batch.
  
      """
      return BatchDet().apply((a,))[0]
  
file_path: chainer/chainer/functions/math/det.py
imports: import chainer
  from chainer import function_node
  import chainer.functions
  from chainer.utils import precision
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling a global function with example usage: batch_det(a) and returns: BatchDet