Exemplos de dup_isolate_all_roots_sqf em Python

Exemplo n.º 1

Arquivo: test_rootisolation.py Projeto: devs1991/test_edx_docmode

def test_dup_isolate_all_roots_sqf():
    f = [4, -1, 2, 5, 0]

    assert dup_isolate_all_roots_sqf(f, ZZ) == \
        ([(-1, 0), (0, 0)], [((0, -QQ(5,2)), (QQ(5,2), 0)), ((0, 0), (QQ(5,2), QQ(5,2)))])

    assert dup_isolate_all_roots_sqf(f, ZZ, eps=QQ(1,10)) == \
        ([(QQ(-7,8), QQ(-6,7)), (0, 0)], [((QQ(35,64), -QQ(35,32)), (QQ(5,8), -QQ(65,64))), ((QQ(35,64), QQ(65,64)), (QQ(5,8), QQ(35,32)))])

Exemplo n.º 2

Arquivo: test_rootisolation.py Projeto: 101man/sympy

def test_dup_isolate_all_roots_sqf():
    f = [4, -1, 2, 5, 0]

    assert dup_isolate_all_roots_sqf(f, ZZ) == \
        ([(-1, 0), (0, 0)], [((0, -QQ(5,2)), (QQ(5,2), 0)), ((0, 0), (QQ(5,2), QQ(5,2)))])

    assert dup_isolate_all_roots_sqf(f, ZZ, eps=QQ(1,10)) == \
        ([(QQ(-7,8), QQ(-6,7)), (0, 0)], [((QQ(35,64), -QQ(35,32)), (QQ(5,8), -QQ(65,64))), ((QQ(35,64), QQ(65,64)), (QQ(5,8), QQ(35,32)))])

Exemplo n.º 3

Arquivo: polyclasses.py Projeto: fxkr/sympy

 def intervals(f, all=False, eps=None, inf=None, sup=None, fast=False, sqf=False):
     """Compute isolating intervals for roots of `f`. """
     if not f.lev:
         if not all:
             if not sqf:
                 return dup_isolate_real_roots(f.rep, f.dom, eps=eps, inf=inf, sup=sup, fast=fast)
             else:
                 return dup_isolate_real_roots_sqf(f.rep, f.dom, eps=eps, inf=inf, sup=sup, fast=fast)
         else:
             if not sqf:
                 return dup_isolate_all_roots(f.rep, f.dom, eps=eps, inf=inf, sup=sup, fast=fast)
             else:
                 return dup_isolate_all_roots_sqf(f.rep, f.dom, eps=eps, inf=inf, sup=sup, fast=fast)
     else:
         raise PolynomialError("can't isolate roots of a multivariate polynomial")

Exemplo n.º 4

 def intervals(f, all=False, eps=None, inf=None, sup=None, fast=False, sqf=False):
     """Compute isolating intervals for roots of `f`. """
     if not f.lev:
         if not all:
             if not sqf:
                 return dup_isolate_real_roots(f.rep, f.dom, eps=eps, inf=inf, sup=sup, fast=fast)
             else:
                 return dup_isolate_real_roots_sqf(f.rep, f.dom, eps=eps, inf=inf, sup=sup, fast=fast)
         else:
             if not sqf:
                 return dup_isolate_all_roots(f.rep, f.dom, eps=eps, inf=inf, sup=sup, fast=fast)
             else:
                 return dup_isolate_all_roots_sqf(f.rep, f.dom, eps=eps, inf=inf, sup=sup, fast=fast)
     else:
         raise PolynomialError("can't isolate roots of a multivariate polynomial")