This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Basis.svg en basis vectors for co own Original diagram File Basis due to Hernlund redrawn by Maschen Uploaded with Coordinate systems Vectors Differential calculus Differential geometry
Page 2023 Free-images.com. All images are Public Domain