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Implement logistic function and tests #9

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Implement logistic function and tests #9

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2 changes: 2 additions & 0 deletions logistic.py
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Original file line number Diff line number Diff line change
@@ -1 +1,3 @@
# Your code goes here
def f(x,r):
return r*x*(1-x)
21 changes: 21 additions & 0 deletions test_logistic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,15 @@
from logistic import f

# Add here your test for the logistic map
def test_f_fixed_r_cases():
# Test cases are (x, r, expected)
cases = [
(1/3, 1.5, 1/3),
(2.7/3.7, 3.7, 2.7/3.7),
]
for x, r, expected in cases:
result = f(x, r)
assert_allclose(result, expected)
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2.7/3.7! who knew! :-D nice



def test_f_corner_cases():
Expand All @@ -14,3 +23,15 @@ def test_f_corner_cases():
for x, r, expected in cases:
result = f(x, r)
assert_allclose(result, expected)

def test_f_generic_cases():
# Test cases are (x, r, expected)
cases = [
(0.1, 2.2, 0.198),
(0.2, 3.4, 0.544),
(0.5, 2, 0.5),

]
for x, r, expected in cases:
result = f(x, r)
assert_allclose(result, expected)