polyMul {astsa} | R Documentation |
Multiplication of Two Polynomials
Description
Multiplication of two polynomials.
Usage
polyMul(p, q)
Arguments
p |
coefficients of first polynomial |
q |
coefficients of second polynomial |
Details
inputs are vectors of coefficients a, b, c, ..., in order of power
Value
coefficients of the product in order of power
Author(s)
D.S. Stoffer
Source
based on code from the polynom package https://CRAN.R-project.org/package=polynom
References
You can find demonstrations of astsa capabilities at FUN WITH ASTSA.
The most recent version of the package can be found at https://github.com/nickpoison/astsa/.
In addition, the News and ChangeLog files are at https://github.com/nickpoison/astsa/blob/master/NEWS.md.
The webpages for the texts and some help on using R for time series analysis can be found at https://nickpoison.github.io/.
Examples
a = 1:3 # 1 + 2x + 3x^2
b = 1:2 # 1 + 2x
polyMul(a, b)
# [1] 1 4 7 6
# 1 + 4x + 7x^2 + 6x^3
[Package astsa version 2.1 Index]