3. Tensors continued.

MIT General Relativity, Spring 2020 Instructor: Scott Hughes View the complete course: YouTube Playlist: More on tensors, derivatives, and 1-forms. Contraction of tensor indices; the dual nature of vectors and the associated 1-form found by lowering the vector index. License: Creative Commons BY-NC-SA More information at More courses at Support OCW at We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at