dsp-0.1: Haskell Digital Signal Processing Contents Index

Polynomial.Basic Portability portable Stability experimental Maintainer m.p.donadio@ieee.org

Contents Types Functions

Description

Simple module for handling polynomials.

Synopsis

polyeval :: Num a => [a] -> a -> a polyadd :: Num a => [a] -> [a] -> [a] polysub :: Num a => [a] -> [a] -> [a] polyscale :: Num a => a -> [a] -> [a] polymult :: Num a => [a] -> [a] -> [a] polydiv :: Fractional a => [a] -> [a] -> [a] polymod :: Fractional a => [a] -> [a] -> [a] polypow :: (Num a, Integral b) => [a] -> b -> [a] polysubst :: Num a => [a] -> [a] -> [a] polyderiv :: Num a => [a] -> [a] polyinteg :: Fractional a => [a] -> a -> [a] roots2poly :: Num a => [a] -> [a]

Types

Functions

polyeval :: Num a => [a] -> a -> a

Evaluate a polynomial using Horner's method.

polyadd :: Num a => [a] -> [a] -> [a]

Add two polynomials

polysub :: Num a => [a] -> [a] -> [a]

Subtract two polynomials

polyscale :: Num a => a -> [a] -> [a]

Scale a polynomial

polymult :: Num a => [a] -> [a] -> [a]

Multiply two polynomials

polydiv :: Fractional a => [a] -> [a] -> [a]

Divide two polynomials

polymod :: Fractional a => [a] -> [a] -> [a]

Modulus of two polynomials (remainder of division)

polypow :: (Num a, Integral b) => [a] -> b -> [a]

Raise a polynomial to a non-negative integer power

polysubst :: Num a => [a] -> [a] -> [a]

Polynomial substitution y(n) = x(w(n))

polyderiv :: Num a => [a] -> [a]

Polynomial derivative

polyinteg :: Fractional a => [a] -> a -> [a]

Polynomial integration

roots2poly :: Num a => [a] -> [a]

Convert roots to a polynomial

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