6.1.4: Supplements
( \newcommand{\kernel}{\mathrm{null}\,}\)
https://www.compadre.org/Physlets/ci..._worksheet.pdf
https://www.compadre.org/Physlets/ci..._worksheet.pdf
https://www.compadre.org/Physlets/ci..._worksheet.pdf
https://www.compadre.org/Physlets/ci..._worksheet.pdf