Problem Detail: Why is $text{BPP}=text{co-BPP}$? I tried to find a proof online but couldn’t. Can anyone please provide a quick explanation (if it’s trivial and I just can’t see it) or a link to a proof? Asked By : so.very.tired Answered By Read More …
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[Solved]: Regarding the height of a recursion tree on dynamic programming
Problem Detail: I am trying to understand dynamic programming and I am watching this mit video. If you guys could take some time out , can you refer to the slide on 41:36 . Why is the height m+n. I just Read More …
[Solved]: Deterministic and randomized communication complexity of set equality
Problem Detail: Two processors $A, B$ with inputs $a in {0, 1}^n$ (for $A$) and $b in {0, 1}^n$ (for $B$) want to decide whether $a = b$. $A$ does not know $B$’s input and vice versa. A can send a Read More …
[Solved]: Difficulty understanding pre-emptive vs non-preemptive CPU scheduling
Problem Detail: I’m having difficulty understanding what my book is trying to say in regards to preemptive and non-preemptive CPU scheduling. It says the following: CPU Scheduling decisions may take place under the following four circumstances: When a process switches from Read More …
[Solved]: Tree flattening with layout guarantees
Problem Detail: I want to flatten a binary tree into a linear array, and I wonder if there are specific algorithms to improve locality in the linearized representation (for instance, ensuring that all data from the left child of the root Read More …
[Solved]: Does a shift operation distribute over XOR
Problem Detail: In this question, we abuse the mathematical notation to express bitwise operations in the following way: $ll$ is a binary left shift $oplus$ is a bitwise XOR $0b1, 0b110, 0b10 ldots$ are used to denote raw bits $repr$ is Read More …
[Solved]: What factors must one consider choosing an NN structure?
Problem Detail: Suppose we have a classification problem and we wish to solve the problem by Neural Network. What factors must one consider choosing an NN structure? e.g Feed Forward, Recurrent and other available structures. Asked By : Gigili Answered By : AJed Read More …
[Solved]: Differences between basic, complex and terminological facts in a Knowledge Base using First-Order Logic
Problem Detail: I’ve been reading the excellent book Knowledge Representation and Reasoning by Ronald Brachman and Hector Levesque. In the beginning of Section 3.2 “Vocabulary” of Chapter 3 “Expressing Knowledge” they state: In creating a KB (Knowledge Base) it is a Read More …
[Solved]: 3-SAT problem with number of clauses equal to number of variables
Problem Detail: Consider the 3-SAT problem where the formula is in conjunctive normal form and we restrict the Boolean formulas such that the number of clauses in the formula is equal to the number of variables. Is this problem still NP-hard? Read More …
[Solved]: Difference between centralized computing and distributed computing using Client-Server
Problem Detail: I already understand that Distributed Computing is the breakup of having multiple clients rely on a single source, and having each client utilize other clients for information. But my confusion comes from a type of distributed computing, where one Read More …
