一枝红杏出墙来
Wednesday, June 26, 2013
Stirling's approximation of n!
\[ n! = \sqrt{2 \pi n} \left(\frac{n}{e}\right)^n \left(1+O\left(\frac{1}{n}\right)\right) \]
Sunday, June 16, 2013
Horner's rule of evaluating a polynomial
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