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# What is an algorithm? An explainer. - Slate Magazine.

Silicon Valley marketers love the term algorithm, since it makes the features they’re selling seem a little more mysterious, and hence, perhaps, a little more enticing. An algorithm pronounced AL-go-rith-um is a procedure or formula for solving a problem, based on conducting a sequence of specified actions. A computer program can be viewed as an elaborate algorithm. In mathematics and computer science, an algorithm usually means a small procedure that solves a recurrent problem.

An algorithm is a step by step method of solving a problem. It is commonly used for data processing, calculation and other related computer and mathematical operations. An algorithm is also used to manipulate data in various ways, such as inserting a new data. An algorithm has following characteristics: 1. Each and every instruction should be precise and unambiguous i.e. each and every instruction should be clear and should have only one meaning. 2. Each instruction should be performed in finite time. 3. One or more instructions should not be. It is an algorithm used by another algorithm as part of the second algorithm's operation. As an example, an algorithm for finding the median value in a list of numbers might include sorting the numbers as a sub-algorithm: There are plenty of algorithms for sorting, and the specifics of the sorting does not matter to. Feb 03, 2020 · Randomized Algorithms: This class includes any algorithm that uses a random number at any point during its process. Branch and Bound Algorithms: Branch and bound algorithms form a tree of subproblems to the primary problem, following each branch until it is either solved or lumped in with another branch.

An algorithm in mathematics is a procedure, a description of a set of steps that can be used to solve a mathematical computation: but they are much more common than that today.Algorithms are used in many branches of science and everyday life for that matter, but perhaps the most common example is that step-by-step procedure used in long division. In programming, algorithm is a set of well defined instructions in sequence to solve the problem. Qualities of a good algorithm. Input and output should be defined precisely. Each steps in algorithm should be clear and unambiguous. Algorithm should be most effective among many different ways to solve a problem. An algorithm shouldn't have. The algorithm is the basic technique used to get the job done. Let's follow an example to help get an understanding of the algorithm concept. Advertisement. Let's say that you have a friend arriving at the airport, and your friend needs to get from the airport to your house. Here are four different algorithms that you might give your friend for. The scale-invariant feature transform SIFT is a feature detection algorithm in computer vision to detect and describe local features in images. It was patented in Canada by the University of British Columbia and published by David Lowe in 1999. An algorithm is a well-defined procedure that allows a computer to solve a problem. Another way to describe an algorithm is a sequence of unambiguous instructions.

Characteristics of an Algorithm Unambiguous − Algorithm should be clear and unambiguous.Input − An algorithm should have 0 or more well-defined inputs.Output − An algorithm should have 1 or more well-defined outputs,.Finiteness − Algorithms must terminate after a finite number of steps. You might have an algorithm for getting from home to school, for making a grilled cheese sandwich, or for finding what you're looking for in a grocery store. In computer science, an algorithm is a set of steps for a computer program to accomplish a task. Algorithms put the science in computer science.

## Basic Concepts - Characteristics of Algorithm.

An algorithm is defined as a step-by-step procedure or method for solving a problem by a computer in a finite number of steps. Steps of an algorithm definition may include branching or repetition depending upon what problem the algorithm is being developed for.