Image Credits
- Fig.
6.1: © K. Kikkeri, https://commons.wikimedia.org/wiki/File:M0101_fMatEx1.svg,
CC BY SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/). - Fig.
6.2: © K. Kikkeri, https://commons.wikimedia.org/wiki/File:M0071_fMatEx1.svg,
CC BY SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/).