One of the types of objects in Praat.
An object of type Polynomial represents a polynomial function on a domain.
A polynomial of degree n is defined as:
p(x) = c_{1} + c_{2} x + c_{3} x^{2} + ... c_{n+1} x^{n}. 
The real numbers c_{k} are called the polynomial coefficients.
Commands
Creation

• Create Polynomial... (in the New menu)

• LPC: To Polynomial (slice)... (from prediction coefficients)

• LegendreSeries: To Polynomial

• ChebyshevSeries: To Polynomial
Drawing

• Draw...
Queries

• Get function value...: get p(x)

• Get coefficient value...: get c_{i}

• Get minimum...: minimum of p(x) on an interval

• Get x of minimum...

• Get maximum...: maximum of p(x) on an interval

• Get x of maximum...

• Get area...
Modification

• Set domain...: new domain

• Set coefficient value...: change one coefficient
Conversion

• To Spectrum... (evaluation over unitcircle)

• To Polynomial (derivative)

• To Polynomial (primitive)

• To Roots: roots of polynomial
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© djmw 19990608