Sentence examples for exactly an approximation from inspiring English sources

In all cases where the exact rate-distortion curve of the compressed image is not known or cannot be calculated exactly, an approximation of (3) can be done, if the source coding process is expected to generate an ideal progressive codestream with a typical rate-distortion curve.

History is always just an approximation of the past.

By casting it as the combinatorial optimization problem of finding a maximum weight hypertree, we prove that it is NP-hard to solve exactly and provide an approximation algorithm with a provable performance guarantee.

Therefore, this is not exactly a finite-difference approximation of the gradient operator, but we confirmed that little difference is produced.

When computing the weights exactly is too complex, we propose an approximation which has a weaker guarantee of asymptotic unbiasedness.

First, Yule's Q is not exactly Pearson's correlation coefficient but rather an approximation to it which seems reasonable in large samples and for the types of models tested.

Since the number of species on Earth is still an approximation, it's difficult to accurately state exactly how many species are becoming extinct.

The same renewal process approach which was used as an approximation for Y < T2 duration in (57) can thus be used exactly for this case.

(That is an approximation).

It was an approximation of sobbing.

But an approximation can be made.