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polylib::cyclotomic -- cyclotomic polynomials

Introduction

polylib::cyclotomic(n, x) computes the n-th cyclotomic polynomial, expressed in the indeterminate x.

Call(s)

polylib::cyclotomic(n, x)

Parameters

n - positive integer
x - identifier

Returns

a polynomial over Expr in the indeterminate x.

Related Functions

numlib::phi

Details

Example 1

We compute the 20th cyclotomic polynomial.

>> polylib::cyclotomic(20, z);
                           8    6    4    2
                     poly(z  - z  + z  - z  + 1, [z])

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