polynomial

Simple polynomial class with basic operations

Features

Polynomial in one variable with integer coefficients in the same order as in the classical notation.

For example, Polynomial([1, -2, 3]) means x^2 - 2x + 3

Supported operations:

• addition, addition with a constant (both sides)

• subtraction, subtraction with a constant (both sides)

• multiplication, multiplication by a constant (both sides)

• comparison (==), constant comparison (both sides)

• converting to string str(p) like "x^2-2x+3"

• print the internal representation of the object repr(p) in the style of "Polynomial([1, 2, -4])"

• copying in Polynomial(p) style, where p is an object of class Polynomial

• the list of coefficients (list) can be obtained/modified as p.coeffs

How to use in projects

1. import polynomial module
2. create an instance of the class (eg. Polynomial(5), Polynomial([1, 2]), Polynomial((1, 2, 3)), Polynomial(p)), list and tuple contain only integers, p is an instance of the Polynomial
3. use the arithmetic methods of the polynomial class

How to run unit-tests

Run next Python scripts depending on OS.

Linux:

python3 <path>/polynomial/test_polynomial_init.py
python3 <path>/polynomial/test_polynomial_arithmetic.py
python3 <path>/polynomial/test_polynomial_operations.py

Windows:

python.exe <path>\polynomial\test_polynomial_init.py
python.exe <path>\polynomial\test_polynomial_arithmetic.py
python.exe <path>\polynomial\test_polynomial_operations.py