Sentence examples for been a useful approximation from inspiring English sources

It may be viewed as a refinement of the arithmetic mean: the latter has been a useful approximation in economic analysis [5,6], whilst the new mean should find use both in flowsheeting programs and in rapid rating calculations a in the example above.

The body mass index is a useful approximation of body fat, but it can be misleading for muscular athletic individuals, like President Bush, who would be considered overweight, as the article notes.

Taking to be the lesser value of and is a useful approximation.

Hence classical physics seems merely to be a useful approximation to a world which is quantum mechanical on all scales.

The method appears to be a useful approximation for a wide variety of problems.

In materials science, this is a useful approximation for semi-conductors and a very good approximation for metals at room temperature.

Clearly a five or seven value discrete scale will not be Gaussian distributed, but this is often assumed to be a useful approximation.

These assumptions are not too restrictive and the solution appears to be a useful approximation for a broad range of material-mill combinations.

b The Cloud Harmony website has a discussion of the ECU, and benchmarking that suggests it to be a useful approximation in some ways: http://blog.cloudharmony.com/2010/05/what-is-ecu-cpu-benchmarking-in-cloud.html [accessed 5 February 2013].

The initial rate of development of constitutional undercooling is shown to be equivalent to the growth restriction factor and is a useful approximation for the effect of solute on grain size when potent nucleant substrates are present.

Asymptotic modal analysis (AMA) has been shown to be a useful approximation and valid limiting case for classical modal analysis (CMA) when the number of resonant modes in a frequency bandwidth becomes sufficiently large and the cross-correlation between resonant modes is neglected.