Nearby Words

iteration

[it-uh-rey-shuhn] Example Sentences

it·er·a·tion

[it-uh-rey-shuhn]
noun
1.
the act of repeating; a repetition.
2.
Mathematics.
a.
Also called successive approximation. a problem-solving or computational method in which a succession of approximations, each building on the one preceding, is used to achieve a desired degree of accuracy.
b.
an instance of the use of this method.
3.
Computers. a repetition of a statement or statements in a program.

Origin:
1425–75; late Middle English < Latin iterātiōn-, stem of iterātiō; see iterate, -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Iteration is always a great word to know.
So is difference. Does it mean:
a proportion containing terms of which an increase in one results in a decrease in another
the amount by which one quantity is greater or less than another
Example Sentences
  • Ellena had presented an iteration of the perfume he was working on to the creative team.
  • And he indicated that he hoped that any further iteration of a settlement would deal with those issues more seriously.
  • The current iteration of supermarkets is in reality a bit of a pox upon our house.
EXPAND
Collins
World English Dictionary
iterate (ˈɪtəˌreɪt)
 
vb
(tr) to say or do again; repeat
 
[C16: from Latin iterāre, from iterum again]
 
'iterant
 
adj
 
iter'ation
 
n
 
'iterance
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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FOLDOC
Computing Dictionary

iteration definition

programming
Repetition of a sequence of instructions. A fundamental part of many algorithms. Iteration is characterised by a set of initial conditions, an iterative step and a termination condition.
A well known example of iteration in mathematics is Newton-Raphson iteration. Iteration in programs is expressed using loops, e.g. in C:
new_x = n/2; do x = new_x; new_x = 0.5 * (x + n/x); while (abs(new_x-x) > epsilon);
Iteration can be expressed in functional languages using recursion:
solve x n = if abs(new_x-x) > epsilon then solve new_x n else new_x where new_x = 0.5 * (x + n/x)
solve n/2 n
(1998-04-04)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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