[MIGHT BE IMPORTANT] Some rules regarding torch.matmul().

[sachinlodhi]

Tensor, multiplication is kinda evolved in the case of these libraries like Numpy, Pytorch, and TensorFlow.
Here is what we need to keep in mind before multiplying tensors(in some specific scenarios) as it results produced wouldn't have followed the standard mathematical rules:
https://pytorch.org/docs/stable/generated/torch.matmul.html