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Topic: Linear search

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	linear - Search Results - MSN Encarta
		Linear Programming, mathematical and operations-research technique, used in administrative and economic planning to maximize the linear functions of...
		Linear Algebra, branch of mathematics that is concerned with systems of linear equations, linear transformations, vectors and vector spaces, and...
		Linear B, system of writing used in Mycenaean Greek documents chiefly from Crete (Kríti) and Pílos (Pylos).
	ca.encarta.msn.com /linear.html (144 words)

	Linear search - Wikipedia, the free encyclopedia
		In computer science, linear search is a search algorithm, also known as sequential search, that is suitable for searching a set of data for a particular value.
		Linear search can be used to search an unordered list.
		If more than a small number of searches are needed, it is advisable to use a more efficient data structure.
	en.wikipedia.org /wiki/Linear_search (276 words)

	Search algorithm - Wikipedia, the free encyclopedia
		Brute-force search or "naïve"/uninformed search algorithms use the simplest, most intuitive method of searching through the search space, whereas informed search algorithms use heuristics to apply knowledge about the structure of the search space to try to reduce the amount of time spent searching.
		This is significantly better than linear search for large lists of data, but it requires that the list be sorted before searching (see sort algorithm) and also be random access.
		This is a type of search which solves constraint satisfaction problems where, rather than looking for a path, the solution is simply a set of values assigned to a set of variables.
	en.wikipedia.org /wiki/Search_algorithm (1030 words)

	Linear Search
		The input to linear search is a sequence (e.g.
		Linear search can be sped up through the use of a sentinel value: assuming there is a free cell at the end of arr to use, then copy target into that free cell.
		In one of his interviews, AlexanderStepanov (developer of the StandardTemplateLibrary) says that linear search is one of the basic algorithms he used to test languages as candidates for implementing his view of algorithms and data structures.
	c2.com /cgi/wiki?LinearSearch (1038 words)

	History of the LINEAR Program
		Search productivity was quite high during each of the observing runs, in spite of the fact that a small format camera was employed.
		The main search strategy employed was to search near solar opposition and near the ecliptic.
		Using the opposition search strategy, the LINEAR system was capable of repeatedly covering an area extending 15 degrees by 10 degrees over a period of a few days, to a limiting visual magnitude ofapproximately 19.5 magnitude.
	www.ll.mit.edu /LINEAR/history.html (824 words)

	Searching methods (Site not responding. Last check: 2007-10-19)
		In a linear data structure such as a flat list, a vector, or a file, there is an obvious algorithm for conducting a search: Start at the beginning of the data structure and traverse it, testing each element.
		Binary search is a more specialized algorithm than linear search: It requires a random-access structure as opposed to one that offers only sequential access, and it is limited to the kind of test in which one is looking for a particular value that has a unique relative position in some ordering.
		The idea in a binary search is to divide the sorted vector into two approximately equal parts, examining the element at the point of division to determine which of the parts must contain the value sought.
	www.math.grin.edu /courses/Scheme/spring-1998/searching-methods.html (1050 words)

	Search: Linear Regression - WebFetch.com
		Linear Regression A classic statistical problem is to try to determine the relationship between two random variables X and Y. For example, we might consider height and weight of a sample of...
		Linear Regression (and Best Fit) a lesson by Amar Patel This is a lesson which will allow students to explore notions of relationships between two variables.
		Linear Regression Linear regression attempts to model the relationship between two variables by fitting a linear equation to observed data.
	www.webfetch.com /uk.webfetch/search/web/Linear+Regression/1/20/1/-/-/... (377 words)

	Lecture 10 -- Search (Site not responding. Last check: 2007-10-19)
		But structures like this, unlike linear file structures, make it easier to search for the answers to questions like "What's the relationship of Barney to Rocky?" or "Who is Rocky's grandfather on his mother's side?" Depth-first search The simplest form of search in a hierarchical or network structure is called "depth-first search".
		The state space The metaphor of searching a tree is also a convenient one for describing the state of a process (i.e., a program in execution).
		In performing a state- space search, the intention is usually to find a sequence of operations that gets one from the initial state to some goal state.
	www.cc.gatech.edu /computing/classes/cs2360/ghall/archive/2360/klectures/klect10.html (1652 words)

	Searching
		The search function will return a boolean flag indicating success and also return a pointer/index to the position it was found (a NULL or out of range index can also be used to indicate failure.
		Although formally proven by induction, essentially the analysis process is like the linear search in that E(X) is the sum of integers from 1 to n, but in the binary we'll sum from 1 to log n.
		It assume that since the average time for a search is the same as worst case, then just assume the worst case and try to improve it.
	faculty.juniata.edu /rhodes/cs2/ch12b.htm (555 words)

	[No title]
		Linear or Sequential search works by scanning the elements of an array until the key value is found.
		We also provide a recursive version of linear search that works by comparing the key with the last element of the array.
		A linear search function is called to locate the key.
	www.ececs.uc.edu /~annexste/Courses/cs1/lect0221.htm (328 words)

	Nonlinear search costs
		searches prices at a few dozen book retailers within about 20 seconds -- there is only a mild disincentive not to request a large number of price quotations.
		Thus, the effective search cost is only weakly dependent on the number of searches.
		The derivation of an equilibrium in which only type 1 and type 2 strategies could co-exist was founded on the assumption that search costs are linear in the amount of search.
	www.research.ibm.com /infoecon/paps/html/aama00/node7.html (683 words)

	Notes on Searching Arrays
		Linear search is the name for the algorithm which looks at each item in order, until it finds what it is looking for (the target) or else runs out of items in the array.
		It can be shown that linear search is of order O(n) while binary search is of order O(log n), where n is the size of the array.
		This means, for instance, that binary search of a sorted array of about 1,000 items will take roughly 10 steps (log 1000 = 10), so for arrays of that approximate length, binary search is 100 times faster than linear search.
	www.math.luc.edu /~doty/courses/170/Search.html (541 words)

	April 1994/An Alternative to Large Switch Statements/Sidebar (Site not responding. Last check: 2007-10-19)
		The search algorithm will compare a search value to each key in the table until it finds a match or the table is exhausted.
		Linear searches are the simpler of the two and normally considered the least efficient.
		However, the logic of the binary search is much more complex (and thus much more time-consuming) than the logic of the linear search.
	www.tcnj.edu /~hernande/cujv5/html/12.04/weisfeld/sidebar1.htm (864 words)

	Infosys \| Microsoft: Binary and Linear Search - How do you choose?
		Linear Search is fast if the amount of search operations are lesser.
		When the amount of search operations made on the list increases, the time taken to sort is mitigated (the goodies of economies of scale plays its part in algorithms as well) and Binary Search results as the better option.
		Ideally, the choice between Linear and Binary Search should be taken based on the number of search operations that are likely to be performed over the List.
	infosysblogs.com /microsoft/2006/10/binary_and_linear_search_how_d.html (400 words)

	Linear search: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-19)
		(linear search is a search algorithm search algorithm quick summary:
		In computer science, a search algorithm, broadly speaking, is an algorithm that takes a problem as input and returns a solution to the problem....
		(that is suitable for searching a set of data for a particular value.
	www.absoluteastronomy.com /encyclopedia/L/Li/Linear_search.htm (234 words)

	Simple search lightens Net load TRN 090804
		Researchers working on finding better ways to search the Internet are increasingly turning to methods that require individual nodes, or servers, to know a little bit about nearby servers, but don't require servers to look much beyond their own neighborhoods.
		The conceptual breakthrough was the realization that the whole search process could be implemented locally, through messages passed among neighbors only, said Nima Sarshar, a researcher at the University of California at Los Angeles.
		The search algorithm could be used in practical applications, including improving existing peer-to-peer systems like Gnutella, within one to two years, said Roychowdhury.
	www.trnmag.com /Stories/2004/090804/Simple_search_lightens_Net_load_090804.html (1039 words)

	NON-LINEAR INFORMATION RETRIEVAL
		At present, there is a paucity of search strategy theories for users, even in the use of linear retrieval systems.
		Although the search strategies developed in their text is mainly for training new reference librarians, it can be argued that a hypermedia version of such a search strategy would also be useful in guiding new users.
		Search strategy theories developed by Jahoda and Braunagle can be adapted to specific types of libraries based on users' information needs and the types of materials and information networks available in such libraries.
	web.simmons.edu /~chen/nit/NIT'92/343-wag.htm (1275 words)

	Prelook-Up Index Search (Simulink Reference)
		Use linear search in combination with Begin index search using previous index result for higher performance than a binary search when the input values do not change much from one time step to the next.
		For large breakpoint sets, a linear search can be very slow if the input value changes by more than a few intervals from one time step to the next.
		If the input is less than the first breakpoint, return the index of the first breakpoint and an interval fraction representing the linear distance from the input to the first breakpoint.
	www-rohan.sdsu.edu /doc/matlab/toolbox/simulink/slref/prelookupindexsearch.html (545 words)

	0.2.1 Linear Search (Site not responding. Last check: 2007-10-19)
		This method of searching is most often used on an array data structure whose upper and lower bounds are known.
		For instance, the binary search algorithm operates much more efficiently than a linear search but requires that the data being searched be in sorted order.
		Because there are faster ways of searching a memory space, the linear search is sometimes referred to as a brute force search.
	www.darkridge.com /~jpr5/archive/alg/node8.html (223 words)

	C++ Examples - Linear Search in a Range (Site not responding. Last check: 2007-10-19)
		Linear search consists of looking for a particular value in a collection.
		Enter the number to search: 278 278 is at the 2nd position of the collection Press any key to continue
		Enter the number to search: 288 288 was not found in the collection Press any key to continue
	www.functionx.com /cpp/examples/linearsearch.htm (74 words)

	The Old Joel on Software Forum - Buffer Search Algorithm
		A linear search of the haystack buffer for each needle, for example using strstr to find first occurance of needle in haystack, then loop and strstr again +1 position after last occurance.
		That is the same number of comparisons as the linear search, solution A -- it is just that you are doing them in a different order.
		Search google for it; I distintly remember learning a great algorithm for it in college but my textbook is at home.
	discuss.fogcreek.com /joelonsoftware?cmd=show&ixPost=119483 (1590 words)

	Searching Algorithms
		Searching algorithms are closely related to the concept of dictionaries.
		Linear Search in Scheme is probably the simplest example of a storage/retrieval datastructure due to the number of primitive operations on lists that we can use.
		Search involves recurring down the list, each time checking whether the front of the list is the element we need.
	www.softpanorama.org /Algorithms/searching.shtml (1919 words)

	[No title]
		Searching Definition ÀWe are given a collection of n elements: a0, a1, ... an-1 Each ai consists of two parts a unique ID, or key, and some data. Searching is the process of finding an ai such that its key equals some specified key value, k.¡ ) ¥) ïÿ ïÿ ïÿòÿfòÿ7ó¨2.
		Internal Searching ¨—Traverse the data structure holding the items. Arrays, lists and trees can be used as data structures. Try to minimise the number of key comparisons.ó¨3.
		Recursive Linear Search¨Ô int rl_search(int array[], int key, int index, int size){ if (index >= size) return -1; if (array[index] == key) return index; else return(rl_search(array, key, index+1, size));}¡ÕÕó¨Call from main():¡& $¨K element = rl_search(a, searchkey, 0, SIZE)/* 0 is initial index */¡LLó ¨6.
	fivedots.coe.psu.ac.th /~pichaya/cpt/SEARCH17.PPT (685 words)

	Part 4: Building a Better Binary Search Tree (Site not responding. Last check: 2007-10-19)
		A binary search tree, or BST, is a binary tree whose nodes are arranged such that for every node n, all of the nodes in n's left subtree have a value less than n, and all nodes in n's right subtree have a value greater than n.
		That is, adding a node to a binary search tree involves tracing down a path of the binary search tree, taking lefts and rights based on the comparison of the value of the current node, and the node being inserted, until the path reaches a dead end.
		Searching a BST like the one in Figure 2 is identical to searching an array.
	msdn.microsoft.com /library/en-us/dv_vstechart/html/datastructures_guide4.asp?frame=true (7945 words)

	Linear Search: 1.1 Description/Definition (Site not responding. Last check: 2007-10-19)
		In the real world, searching is the process of finding an object among a group of objects.
		A Linear Search is simply searching through a line of objects in order to find a particular item.
		This leads to the possibility of two variations of a Linear Search, the Sorted Linear Search and the Unsorted Linear Search.
	www.cs.usask.ca /resources/tutorials/csconcepts/1998_3/linear/1-1.html (88 words)

	The Pi-Search Page
		The pi searcher is now nearly as fast as a linear search can be, and uses less space than before.
		The Pi Searcher uses a combination of linear search (searching each digit one by one) for small search strings and a pre-computed index for large search strings.
		The expected number of digits required to find a search string is proportional to the length of the string, but the requirement to loop again makes the analysis a bit tricky.
	www.angio.net /pi/piquery (1132 words)

	Linear - AOL Music
		In military tactical formations, "linear formations" were adapted from phalanx-like...
		Linear A incised on tablets found in Akrotiri, Santorini.
		Linear A is one of two linear scripts used in ancient Crete (a third script is Cretan...
	music.aol.com /artist/linear/13508/main (116 words)

	Asteroid trackers
		These are plots of the areas of the sky in which LINEAR performed asteroid search and follow-up observing during the indicated monthly lunar dark period.
		But although the data on sky coverage indicate that LINEAR could view the entire sky in 12 nights, more asteroids and comets are constantly coming into view, and the telescope still cannot see faint but potentially destructive asteroids.
		Thus if LINEAR and the other search projects are to reach the agreed goal of finding 90 percent of all significant potentially hazardous objects within 10 years, about 10 times as much effort is needed.
	whyfiles.org /074asteroid/4_search.html (622 words)

	Searching an Array
		In this lesson, we'll consider searching an array for a value, determining whether a value is an array element, and, if so, the element's index.
		We discuss two search technniques, one that can be done on any list and one that requires the list to be sorted.
		With a linear search, if you double the size of a list, you could potentially take twice as much time to find an item.
	www.mtsu.edu /~csjudy/1170/htmlFiles/ArraySearching/search.html (562 words)

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