# nontrivial

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## nontrivial

Requiring real thought or significant computing power. Often used as an understated way of saying that a problem is quite difficult or impractical, or even entirely unsolvable ("Proving P=NP is nontrivial"). The preferred emphatic form is "decidedly nontrivial".

See uninteresting, interesting.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

## nontrivial

Not lightweight. Nontrivial is a favorite word among programmers and computer people for describing any task that is not quick and easy to accomplish. It may mean "extremely" difficult and time consuming. Therefore, since many programmers are unbridled optimists, take the word seriously!
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References in periodicals archive ?
When the number of linearly independent energy vectors is equal to the number of columns (the number of possible energy function values minus the number of zero-sided tensors), full rank has been achieved, and the CA/energy window pair under test is known not to correspond to a nontrivial conservation function.
property coverage always yield nontrivial effects on access to
The solution x(t) = ([x.sub.1](t), [x.sub.2](t)), t [member of] [J.sub.0] of the system (1) is called [x.sub.i]--trivial ([x.sub.i]--nontrivial, [x.sub.i]--constant, [x.sub.i]--bounded, [x.sub.i]--non-bounded) i = 1,2 is the certain point, if [x.sub.i]--is the trivial (nontrivial, constant, bounded, non-bounded) function at the interval [J.sub.0].
Moreover, they show if [q.sub.0] < q [less than or equal to] [q.sub.c] = m+ 1, the all nontrivial nonnegative solutions blow up in a finite time, while global nontrivial nonnegative solutions exist if q > [q.sub.c].
A woman who wants to undertake a WINS-style intervention on her own will find it to be "sustainable but nontrivial," according to Dr.
The proofs and concepts covered in these final two chapters are nontrivial and are the result of recent work.
But there is another nontrivial problem that Hallmark and his people are dealing with.
This represents more than one-half of the average achievement gain of 1.7 percent made by public schools statewide between 1998-99 and 1999-2000 and is, from a policy perspective, nontrivial.
Operations in Region 2 typically involve a nontrivial amount of effort and strain.
Cvitanic, 1995, "There is No Nontrivial Hedging Portfolio for Option Pricing with Transaction Costs", Annals of Applied Probability, 5:327-355
(8) This involves determining whether an activity creates a "nontrivial additional connection with the taxing state." (9) Some states have adopted a de minimis exception in their nexus rules or specifically exclude certain activities, such as participation in trade shows for a limited number of days, (10) meetings with business service providers (e.g., accountants, attorneys and advertising agencies) or in-state purchasing activities.

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