gusucode.com > 阵列信号处理书的源码 > MATALB 程序/15 四元数MUSIC的MATLAB程序/hpc.m

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%**程序名字： 四元数的乘法
%**作者：     李靖
%**日期：     2004
%**修改人：
%**日期：
%**描述：     实现两个四元数的相乘
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function y=hpc(a,b)


x(1)=a(1)*b(1)-a(2)*b(2)-a(3)*b(3)-a(4)*b(4);
x(2)=a(1)*b(2)+b(1)*a(2)+a(3)*b(4)-b(3)*a(4);
x(3)=a(1)*b(3)+b(1)*a(3)+b(2)*a(4)-a(2)*b(4);
x(4)=a(1)*b(4)+b(1)*a(4)+a(2)*b(3)-b(2)*a(3);
y = x;