quaternion numbers

• 四元数

quaternion numbers的用法和样例：

例句

1. The norm of a quaternion is similar to that of a vector.
   四元数的平均值与矢量的有点相似。
2. Quaternions were originally invented as an extension to complex numbers.
   四元数最早是为了扩展复数应用而产生与发展起来的。