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Add one polynomial to another in Python
To add one polynomial to another, use the numpy.polynomial.polynomial.polyadd() method in Python. Returns the sum of two polynomials c1 + c2. The arguments are sequences of coefficients from lowest order term to highest, i.e., [1,2,3] represents the polynomial 1 + 2*x + 3*x**2.The method returns the coefficient array representing their sum.The parameters c1 and c2 returns 1-D arrays of polynomial coefficients ordered from low to high.
This numpy.polynomial.polynomial module provides a number of objects useful for dealing with polynomials, including a Polynomial class that encapsulates the usual arithmetic operations.
Steps
At first, import the required libraries-
from numpy.polynomial import polynomial as P
Declare Two Polynomials −
p1 = (4,1,6) p2 = (2,5,3)
Display the polynomials −
print("Polynomial 1...\n",p1)
print("\nPolynomial 2...\n",p2)
To add one polynomial to another, use the numpy.polynomial.polynomial.polyadd() method in Python. Returns the sum of two polynomials c1 + c2. The arguments are sequences of coefficients from lowest order term to highest, i.e., [1,2,3] represents the polynomial 1 + 2*x + 3*x**2 −
sumRes = P.polyadd(p1,p2);
print("\nResult (Sum)...\n",sumRes)
Example
from numpy.polynomial import polynomial as P
# Declare Two Polynomials
p1 = (4,1,6)
p2 = (2,5,3)
# Display the polynomials
print("Polynomial 1...\n",p1)
print("\nPolynomial 2...\n",p2)
# To add one polynomial to another, use the numpy.polynomial.polynomial.polyadd() method in Python.
sumRes = P.polyadd(p1,p2);
print("\nResult (Sum)...\n",sumRes)
Output
Polynomial 1... (4, 1, 6) Polynomial 2... (2, 5, 3) Result (Sum)... [6. 6. 9.]
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