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The PS/2 Model N33 SX (also known as PS/2 note N33 SX) was the first notebook-sized computer from IBM which was announced in 1991. [3] This model was based on the AT-bus and had between 2 or 6MB RAM. It has a 9.5" 16-greyscale VGA LCD (640x480), a 1.44MB floppy, expansion ports and a 40MB or 80MB HDD, and weighs 5.5 lb (2.5 kg).
The halting problem is a decision problem about properties of computer programs on a fixed Turing-complete model of computation, i.e., all programs that can be written in some given programming language that is general enough to be equivalent to a Turing machine.
An ice-type model is a lattice model defined on a lattice of coordination number 4. That is, each vertex of the lattice is connected by an edge to four "nearest neighbours". A state of the model consists of an arrow on each edge of the lattice, such that the number of arrows pointing inwards at each vertex is 2.
They can also be used to model phenomena with significant uncertainty in inputs, such as calculating the risk of a nuclear power plant failure. Monte Carlo methods are often implemented using computer simulations, and they can provide approximate solutions to problems that are otherwise intractable or too complex to analyze mathematically.
Hilbert originally included 24 problems on his list, but decided against including one of them in the published list. The "24th problem" (in proof theory, on a criterion for simplicity and general methods) was rediscovered in Hilbert's original manuscript notes by German historian Rüdiger Thiele in 2000. [3]
An answer to the P versus NP question would determine whether problems that can be verified in polynomial time can also be solved in polynomial time. If P ≠ NP, which is widely believed, it would mean that there are problems in NP that are harder to compute than to verify: they could not be solved in polynomial time, but the answer could be ...
Observation / Question in the natural sciences an observation is an act or instance of noticing or perceiving and the acquisition of information from a primary source. A question is an utterance which serves as a request for information. [citation needed] Proof of impossibility try to prove that the problem cannot be solved.
Part 2 of the manual explores the two methods of citing/documenting sources used in authoring a work: (1) the notes-bibliography style; and (2) the author-date style. [3] The notes-bibliography style (also known as the "notes and bibliography style" or "notes style") is "popular in the humanities—including literature, history, and the arts ...