darkhistory.utilities.bernoulli¶
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darkhistory.utilities.
bernoulli
(k)¶ The kth Bernoulli number.
This function is written as a look-up table for the first few Bernoulli numbers for speed. The Bernoulli number definition we use is:
\[\frac{x}{e^x - 1} \equiv \sum_{n = 0}^\infty \frac{B_n x^n}{n!} \,.\]Parameters: - k : int
The Bernoulli number to return.
Returns: - float
The kth Bernoulli number.