rounding off - Definition. Was ist rounding off
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Was (wer) ist rounding off - definition

DIFFERENCE BETWEEN THE RESULT PRODUCED BY AN ALGORITHM WHEN USING EXACT ARITHMETIC AND WHEN USING FINITE-PRECISION, ROUNDED ARITHMETIC
Rounding error; Roundoff error; Round-off; Round off; Rounding errors; Round-off errors

round off         
If you round off an activity with something, you end the activity by doing something that provides a clear or satisfactory conclusion to it.
The Italian way is to round off a meal with an ice-cream...
This rounded the afternoon off perfectly...
He rounds off by proposing a toast to the attendants.
PHRASAL VERB: V P n (not pron), V n P, V P by -ing
Round-off error         
A roundoff error, also called rounding error, is the difference between the result produced by a given algorithm using exact arithmetic and the result produced by the same algorithm using finite-precision, rounded arithmetic. Rounding errors are due to inexactness in the representation of real numbers and the arithmetic operations done with them.
Rounding         
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REPLACING NUMERICAL VALUE BY ANOTHER APPROXIMATELY EQUAL
Rounding functions; Banker's rounding; Round to even; Nearest integer function; Stochastic rounding; Statistician's rounding; Rounding function; Rounding numbers; Bankers' rounding; Directed rounding; Unbiased rounding; ASTM rounding; Bankers rounding; Table-maker's dilemma; Rounding to integer; Nearest integer; Dutch rounding; Gaussian rounding; Sticky rounding; Sticky round; Round to odd; Rounding to odd; Rounding-to-odd; Round-to-odd; Sticky-round; Double rounding; Round half to even; Rounded number
·adj Round or nearly round; becoming round; roundish.
II. Rounding ·p.pr. & ·vb.n. of Round.
III. Rounding ·noun Small rope, or strands of rope, or spun yarn, wound round a rope to keep it from chafing;
- called also service.
IV. Rounding ·noun Modifying a speech sound by contraction of the lip opening; labializing; labialization. ·see Guide to Pronunciation, / 11.

Wikipedia

Round-off error

In computing, a roundoff error, also called rounding error, is the difference between the result produced by a given algorithm using exact arithmetic and the result produced by the same algorithm using finite-precision, rounded arithmetic. Rounding errors are due to inexactness in the representation of real numbers and the arithmetic operations done with them. This is a form of quantization error. When using approximation equations or algorithms, especially when using finitely many digits to represent real numbers (which in theory have infinitely many digits), one of the goals of numerical analysis is to estimate computation errors. Computation errors, also called numerical errors, include both truncation errors and roundoff errors.

When a sequence of calculations with an input involving any roundoff error are made, errors may accumulate, sometimes dominating the calculation. In ill-conditioned problems, significant error may accumulate.

In short, there are two major facets of roundoff errors involved in numerical calculations:

  1. The ability of computers to represent both magnitude and precision of numbers is inherently limited.
  2. Certain numerical manipulations are highly sensitive to roundoff errors. This can result from both mathematical considerations as well as from the way in which computers perform arithmetic operations.
Beispiele aus Textkorpus für rounding off
1. The Japanese militarist forces are now putting spur to rounding off the preparations for reinvasion.
2. "Rounding off the retail selling price will not result in any undue over–recovery to the OMCs," says the PPAC.
3. But behind the fanfare, Slovenes worry whether rounding off prices to their euro amount will make everything more expensive.
4. But he finally broke through in the 64th minute, rounding off a sweeping move when he turned in a Theo Walcott feed.
5. This had resulted in ‘unavoidable complaints and widespread dissatisfaction‘ from the consumers, claimed the Indian Oil Corporation while making a case for rounding off the prices last April.