旋转矩阵、四元素和欧拉角之间的转换,只要输入三者中的任意一个，就可以将其他的两个转换出来-transfer euler matrix

4.24 (Knight’s Tour) One of the more interesting puzzlers for chess buffs is the Knight’s Tour problem, originally proposed by the mathematician Euler. The question is this: Can the chess piece called the knight move around an empty chessboard and