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Roots

  • Nelson H. F. BeebeEmail author
Chapter

Abstract

The simplest of the elementary functions are those that compute roots of numbers. They are most easily calculated by a combination of argument range reduction, polynomial approximation to get an accurate starting value, and a rapidly convergent iterative solution. Some computer architectures include an instruction to compute the square root, because the required circuits can often be shared with those of the divide instruction.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Department of MathematicsUniversity of UtahSalt Lake CityUSA

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