www.gusucode.com > matlab通信工程仿真源码(张德丰等编著)程序书籍 > matlab_code/matlab通信工程仿真源码(张德丰等编著)/第6章/li6_1.m

     tic
s=0;
for i=1:100000
    s=s+(1/2^i+1/3^i);
end
s


tic
i=1:100000;
s=sum(1./2.^i+1./3.^i)
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