One better resource to learn about tensors: https://grinfeld.org/books/An-Introduction-To-Tensor-Calculus/ https://grinfeld.org/books/An-Introduction-To-Tensor

One better resource to learn about tensors: https://grinfeld.org/books/An-Introduction-To-Tensor-Calculus/ https://grinfeld.org/books/An-Introduction-To-Tensor-Calculu...