def random_poly(x, n, inf, sup, domain=ZZ, polys=False):
"""Return a polynomial of degree ``n`` with coefficients in ``[inf, sup]``. """
poly = Poly(dup_random(n, inf, sup, domain), x, domain=domain)
if not polys:
return poly.as_expr()
else:
return poly
def random_poly(x, n, inf, sup, domain=ZZ, polys=False):
"""Return a polynomial of degree ``n`` with coefficients in ``[inf, sup]``. """
poly = Poly(dup_random(n, inf, sup, domain), x, domain=domain)
if not polys:
return poly.as_expr()
else:
return poly
def test_dup_random():
f = dup_random(0, -10, 10, ZZ)
assert dup_degree(f) == 0
assert all([ -10 <= c <= 10 for c in f ])
f = dup_random(1, -20, 20, ZZ)
assert dup_degree(f) == 1
assert all([ -20 <= c <= 20 for c in f ])
f = dup_random(2, -30, 30, ZZ)
assert dup_degree(f) == 2
assert all([ -30 <= c <= 30 for c in f ])
f = dup_random(3, -40, 40, ZZ)
assert dup_degree(f) == 3
assert all([ -40 <= c <= 40 for c in f ])
def random_poly(x, n, inf, sup, domain=ZZ, polys=False):
"""Generates a polynomial of degree ``n`` with coefficients in
``[inf, sup]``.
Parameters
----------
x
`x` is the independent term of polynomial
n : int
`n` decides the order of polynomial
inf
Lower limit of range in which coefficients lie
sup
Upper limit of range in which coefficients lie
domain : optional
Decides what ring the coefficients are supposed
to belong. Default is set to Integers.
polys : bool, optional
``polys=True`` returns an expression, otherwise
(default) returns an expression.
"""
poly = Poly(dup_random(n, inf, sup, domain), x, domain=domain)
return poly if polys else poly.as_expr()
def random_poly(x, n, inf, sup, domain=ZZ, polys=False):
"""Generates a polynomial of degree ``n`` with coefficients in
``[inf, sup]``.
Parameters
----------
x
`x` is the independent term of polynomial
n : int
`n` decides the order of polynomial
inf
Lower limit of range in which coefficients lie
sup
Upper limit of range in which coefficients lie
domain : optional
Decides what ring the coefficients are supposed
to belong. Default is set to Integers.
polys : bool, optional
``polys=True`` returns an expression, otherwise
(default) returns an expression.
"""
poly = Poly(dup_random(n, inf, sup, domain), x, domain=domain)
return poly if polys else poly.as_expr()
