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Megaminx = Ih Point Group: (15): DEM[3^1]
李世春 2023-12-30 14:26
DEM indicates a C3 operation, with the connecting line of the center of Megaminx to DEM as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, DEM can rotate the triangle on the face W to the face H, while the other cubies are unchanged. At the ...
个人分类: 2024-魔方和自然|850 次阅读|没有评论
Megaminx = Ih Point Group: (14): CDH[3^1]
李世春 2023-12-24 09:44
CDH indicates a C3 operation, with the connecting line of the center of Megaminx to CDH as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, CDH can rotate the triangle on the face W to the face G, while the other cubies are unchanged. At ...
个人分类: 2024-魔方和自然|716 次阅读|没有评论
Megaminx = Ih Point Group: (13): BCG[3^1]
李世春 2023-12-18 09:13
BCG indicates a C3 operation, with the connecting line of the center of Megaminx to BCG as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, BCG can rotate the triangle on the face W to the face F, while the other cubies are unchanged. At the ...
个人分类: 2024-魔方和自然|677 次阅读|没有评论
Megaminx = Ih Point Group: (12): ABF[3^1]
李世春 2023-12-10 10:21
ABF indicates a C3 operation, with the connecting line of the center of Megaminx to ABF as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, ABF can rotate the triangle on the face W to the face N, while the other cubies are unchanged. At the ...
个人分类: 2024-魔方和自然|736 次阅读|没有评论
Megaminx = Ih Point Group: (11): WEA[3^1]
李世春 2023-12-3 12:32
WEA indicates a C3 operation, with the connecting line of the center of Megaminx to WEA as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WEA can rotate the triangle on the face W to the face E, while the other cubies are unchanged. At the ...
个人分类: 2024-魔方和自然|854 次阅读|没有评论
2013年 我的博文 和 2020年 Nature (NC) 所见略同
李世春 2023-11-26 13:11
对南京大学院士候选人闻海虎和王牧争论焦点的科学点评 点击下边,查看2013年博文: 科学网—对南京大学院士候选人闻海虎和王牧争论焦点的科学点评 - 李世春的博文 (sciencenet.cn) 以上是我于 2013年10月写的科学博文,当年的结论是: 我的观点: 单从这篇 NC 文章看,闻海 ...
个人分类: 背景和内涵|1333 次阅读|没有评论
Megaminx = Ih Point Group: (10): WDE[3^1]
李世春 2023-11-20 21:56
WDE indicates a C3 operation, with the connecting line of the center of Megaminx to WDE as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WDE can rotate the triangle on the face W to the face D, while the other cubies are unchanged. A ...
个人分类: 2024-魔方和自然|737 次阅读|没有评论
Megaminx = Ih Point Group: (9): WCD[3^1]
李世春 2023-11-10 14:16
WCD indicates a C3 operation, with the connecting line of the center of Megaminx to WCD as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WCD can rotate the triangle on the face W to the face C, while the other cubies are unchanged. At th ...
个人分类: 2024-魔方和自然|750 次阅读|没有评论
Megaminx = Ih Point Group: (8): WBC[3^1]
李世春 2023-10-27 13:40
WBC indicates a C3 operation, with the connecting line of the center of Megaminx to WBC as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WBC can rotate the triangle on the face W to the face B, while the other cubies are unchanged. At the ...
个人分类: 2024-魔方和自然|755 次阅读|没有评论
Megaminx = Ih Point Group: (7): WAB[3^1]
李世春 2023-10-21 21:45
WAB indicates a C3 operation, with the connecting line of the center of Megaminx to WAB as the axis, rotating 120° counterclockwise. This is the definition in the textbook. In this video, WAB can rotate the triangle on the face W to the face A, while the other cubies are unchanged. At the ...
个人分类: 2024-魔方和自然|829 次阅读|没有评论

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