SKKU-LA-6.2-대칭변환 (Linear Transformation)
1. (x축, y축, 원점) 대칭 (with GeoGebra)
http://www.geogebratube.org/student/m97032. (x축, y축, 원점) 대칭 (with Sage)
3. 선형변환 - 대칭
http://matrix.skku.ac.kr/CLAMC/chap6/Page19.htm4. 선형대수학 Section 6-2, Linear Operator
http://youtu.be/12WP-cb6Ymc