Enable batching for pinverse (#26095)
Summary:
Changelog:
- Modify existing implementation of pinverse to support batching on inputs
Pull Request resolved: https://github.com/pytorch/pytorch/pull/26095
Test Plan: - Added tests in test_pinverse to test batched implementation
Differential Revision: D17408092
Pulled By: soumith
fbshipit-source-id: bba95eb193ce33a94ecfaf74da270d34b435e4af
