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UP my solution #97

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ee6f015
UP my solution
besbes91 Dec 16, 2024
fa45a98
correction finale
besbes91 Dec 16, 2024
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26 changes: 17 additions & 9 deletions numpy_questions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,20 +29,21 @@ def max_index(X):
Returns
-------
(i, j) : tuple(int)
The row and columnd index of the maximum.
The row and column index of the maximum.

Raises
------
ValueError
If the input is not a numpy array or
if the shape is not 2D.
"""
i = 0
j = 0
if not isinstance(X, np.ndarray):
raise ValueError("Input must be a numpy array.")

# TODO

return i, j
if X.ndim != 2:
raise ValueError("Input array must be 2D.")
max_idx = np.unravel_index(np.argmax(X), X.shape)
return max_idx


def wallis_product(n_terms):
Expand All @@ -62,6 +63,13 @@ def wallis_product(n_terms):
pi : float
The approximation of order `n_terms` of pi using the Wallis product.
"""
# XXX : The n_terms is an int that corresponds to the number of
# terms in the product. For example 10000.
return 0.
if n_terms < 0:
raise ValueError("Number of terms must be non-negative.")
product = 1.0
for n in range(1, n_terms + 1):
numerator = 4 * n**2
denominator = (4 * n**2) - 1
product *= numerator / denominator

pi = product * 2
return pi
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