**Table of Contents**

Currently Genius can handle polynomials of one variable written out as vectors, and do some basic operations with these. It is planned to expand this support further.

Currently polynomials in one variable are just horizontal vectors with value only nodes. The power of the term is the position in the vector, with the first position being 0. So,

[1,2,3]

translates to a polynomial of

1 + 2*x + 3*x^2

You can add, subtract and multiply polynomials using the
`AddPoly`

,
`SubtractPoly`

, and
`MultiplyPoly`

functions respectively.
You can print a polynomial using the
`PolyToString`

function.
For example,

PolyToString([1,2,3],"y")

gives

3*y^2 + 2*y + 1

You can also get a function representation of the polynomial so that you can
evaluate it. This is done by using
`PolyToFunction`

,
which
returns an anonymous function.

f = PolyToFunction([0,1,1]) f(2)

It is also possible to find roots of polynomials of degrees 1 through 4 by using the
function
`PolynomialRoots`

,
which calls the appropriate formula function. Higher degree polynomials must be converted to
functions and solved
numerically using a function such as
`FindRootBisection`

,
`FindRootFalsePosition`

,
`FindRootMullersMethod`

, or
`FindRootSecant`

.

See the section called “Polynomials” in the function list for the rest of functions acting on polynomials.