In this paper, the character matrix x n is studied, fast construction method of matrix X 2m is provided. And it is proved that the lower bound estimate of the number of an Latin squares matrix D[X m] is2m(2m)!+...In this paper, the character matrix x n is studied, fast construction method of matrix X 2m is provided. And it is proved that the lower bound estimate of the number of an Latin squares matrix D[X m] is2m(2m)!+∑mi=2[(2m)!] 2∏ij=1K j!∏rj=1b j!.展开更多
In this paper, the character matrix x n is studied, fast construction method of matrix X 2m is provided. And it is proved that the lower bound estimate of the number of an Latin squares matrix D[X m] is2m(2m)!+...In this paper, the character matrix x n is studied, fast construction method of matrix X 2m is provided. And it is proved that the lower bound estimate of the number of an Latin squares matrix D[X m] is2m(2m)!+∑mi=2[(2m)!] 2∏ij=1K j!∏rj=1b j!.展开更多
My grandparents are a great example of just quiet,ordinary people who live a simple,dedicated life.背景链接:为了帮爷爷奶奶庆祝结婚62周年纪念日,美国钢琴家Jason Lyle Black为他们拍摄了一部可爱的短片。片中,年逾八旬的爷爷...My grandparents are a great example of just quiet,ordinary people who live a simple,dedicated life.背景链接:为了帮爷爷奶奶庆祝结婚62周年纪念日,美国钢琴家Jason Lyle Black为他们拍摄了一部可爱的短片。片中,年逾八旬的爷爷奶奶分别变身为《飞屋环游记》(Up)中的Carl爷爷和Ellie奶奶,并用钢琴四手联弹电影中的插曲"Married Life",爱意满满。温馨小屋、网球拐杖、名为Our Adventure Book的纪念册和可爱的小狗等元素也均在短片中出现。展开更多
文摘In this paper, the character matrix x n is studied, fast construction method of matrix X 2m is provided. And it is proved that the lower bound estimate of the number of an Latin squares matrix D[X m] is2m(2m)!+∑mi=2[(2m)!] 2∏ij=1K j!∏rj=1b j!.
文摘In this paper, the character matrix x n is studied, fast construction method of matrix X 2m is provided. And it is proved that the lower bound estimate of the number of an Latin squares matrix D[X m] is2m(2m)!+∑mi=2[(2m)!] 2∏ij=1K j!∏rj=1b j!.
文摘My grandparents are a great example of just quiet,ordinary people who live a simple,dedicated life.背景链接:为了帮爷爷奶奶庆祝结婚62周年纪念日,美国钢琴家Jason Lyle Black为他们拍摄了一部可爱的短片。片中,年逾八旬的爷爷奶奶分别变身为《飞屋环游记》(Up)中的Carl爷爷和Ellie奶奶,并用钢琴四手联弹电影中的插曲"Married Life",爱意满满。温馨小屋、网球拐杖、名为Our Adventure Book的纪念册和可爱的小狗等元素也均在短片中出现。
