An algorithm for dividing quaternions

08/30/2020

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by   Aleksandr Cariow, et al.

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In this work, a rationalized algorithm for calculating the quotient of two quaternions is presented which reduces the number of underlying real multiplications. Hardware for fast multiplication is much more expensive than hardware for fast addition. Therefore, reducing the number of multiplications in VLSI processor design is usually a desirable task. The performing of a quaternion division using the naive method takes 16 multiplications, 15 additions, 4 squarings and 4 divisions of real numbers while the proposed algorithm can compute the same result in only 8 multiplications (or multipliers in hardware implementation case), 31 additions, 4 squaring and 4 division of real numbers.