Qu'est-ce qu'un tenseur ?

An introductory video to the concept of a "tensor," suitable for upper high school/early university level. The focus of this video isn't so much on the rigorous mathematical details, which may be explored in more depth in other videos, but rather on the intuitive understanding and "true" definition of the concept. 0:00 - Incorrect definitions 4:37 - Review of vectors 9:41 - Definition of a tensor 12:50 - Example: the dot product 16:12 - Coordinate decomposition