a6.m

the file contain many matlab signal source code and many example .

for s=100:120
    t=ceil(s/2);
    for k=2:t
        if rem(s,k)==0
            disp([int2str(s),'不是素数'])
            break
        end
        if k==t
            disp([int2str(s),'是素数'])
        end
    end
end