def solve(self):
"""
State waarin de oplossing voor de gekozen variabelen wordt gevonden.
:return:
"""
try:
print(
'Oplossing bepalen voor f(x) = {} met ({}, {}) en epsilon = {}'
.format(self.f, *self.interval, self.epsilon))
self.solution = bisectiemethode.bisection_solver(self.f.f,
*self.interval,
self.epsilon,
verbose=True)
return STATE_SOLUTION
except Exception as e:
print(e)
return STATE_SELECT_FUNCTION
def test_solve_sinusoid(self):
x0 = bisection_solver(sinusoid.f, a=-0.5, b=1)
assert is_within_range(actual=x0, expected=0, error=0.001)
def test_solve_poly1_immediately(self):
x0 = bisection_solver(poly1.f, a=0, b=1)
assert is_within_range(actual=x0, expected=0.5, error=0.001)
def test_solve_poly1(self):
x0 = bisection_solver(poly1.f, a=0.1, b=0.8)
assert is_within_range(actual=x0, expected=0.5, error=0.001)
def test_fa_fb_both_same_sign_check(self):
try:
bisection_solver(sinusoid.f, a=1, b=2)
assert False, 'Exception not raised'
except ValueError:
pass
def test_fx_both_equal_sign_check(self):
try:
bisection_solver(poly1.f, a=0, b=2.5)
assert False, 'Exception not raised'
except ValueError:
pass
def test_positive_epsilon_check(self):
try:
bisection_solver(poly1.f, a=0, b=2.5, epsilon=-1)
assert False, 'Exception not raised'
except ValueError:
pass