OpenCASCADE Quaternion eryar@163.com Abstract. The quaternions are members of a noncommutative division algebra first invented by William Rowan Hamilton. The idea for quaternions occurred to him while he was walking along the Royal Cannal on his way
Equations are given in the format A / B = k, where A and B are variables represented as strings, and k is a real number (floating point number). Given some queries, return the answers. If the answer does not exist, return -1.0. Example:Given a / b =
7.4 Write methods to implement the multiply, subtract, and divide operations for integers. Use only the add operator. 这道题让我们实现乘法加法和除法,而且规定了只能使用加法.那么我们先来看如何用加法来实现减法,我们知道,减去一个数就等于加上这个数的负数.那么我们先写一个求负数的函数,对于n来说,我们累计n个-1,对于-n来说,我们累计n个1.这样减法的就搞定了,我们再来看乘法,乘