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vectorjuliapolynomials

Julia extract Polynomial coefficients as Vector


How do I extract the coefficients of a Julia Polynomial?

In Julia we can create a Polynomial:

using Polynomials
p = Polynomial([23,34,23,135])

Which gives:

Polynomial(23 + 34*x + 23*x^2 + 135*x^3)

How do I extract the coefficients and store them in a Vector?


Solution

  • In Julia, this is done using the coeffs() function.

    For the above Polynomial called p, this is done as such:

    coeffs(p)
    

    Which gives:

    4-element Vector{Int64}:
      23
      34
      23
     135