[英]Cannot understand solution (Turing Machine & Reduction)
Please click this to see my problem 请点击此查看我的问题
Hi. 你好。
About this question, I just can't understand its solution provided. 关于这个问题,我只是不明白它提供的解决方案。
We know the complement of Atm = { <M,W>
: M is TM and M does not accept W} and Rtm as described in photo = { <M,W>
: M is TM that rejects the input string W} 我们知道Atm的补码= { <M,W>
:M是TM而M不接受W}和Rtm,如照片中所述= { <M,W>
:M是拒绝输入字符串W的TM}
if we put M,epsilon
into each of above, 如果我们把M,epsilon
放到上面的每一个中,
the complement of Atm = M does not accept epsilon
Rtm = M rejects Epsilon
in either case, it makes sense to me, thus my perspective is is in Rtm and complement of Atm. 无论哪种情况,这对我来说都是有意义的,因此我的观点是Rtm和Atm的补充。 But answer says <M,epsilon>
is NOT in Rtm but in complement of Atm 但是答案说<M,epsilon>
不是在Rtm中而是在Atm的补充
Why is that? 这是为什么?
Thank you very much! 非常感谢你!
i guess they just mean that running forever is not the same as rejecting. rejecting is terminating with a "reject" status – Anton Knyazyev 14 mins ago
我认为这个答案是正确的。
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