The binomial_coefficients_list() function from the sympy library returns a list of binomial coefficients. The list represents the coefficients from the binomial expansion of (x + y)**n, where n is a non-negative integer.
Here's how you can use the binomial_coefficients_list() method:
from sympy import binomial_coefficients_list n = 4 coefficients = binomial_coefficients_list(n) print(coefficients)
Output:
[1, 4, 6, 4, 1]
The output corresponds to the coefficients of the binomial expansion of (x + y)**4, which is x**4 + 4*x**3*y + 6*x**2*y**2 + 4*x*y**3 + y**4.
The returned list starts with the coefficient of x**n and goes down to the coefficient of y**n. The length of the list will always be n + 1.
It's worth noting that while binomial_coefficients_list() provides the coefficients in list form, there's also binomial_coefficients() which provides these coefficients in dictionary form, keyed by tuples (i, j) where i and j represent the powers of x and y respectively in each term.
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