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Results tagged with na.numerical-analysis
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user 5734
Numerical algorithms for problems in analysis and algebra, scientific computation
6
votes
Accepted
Approximating derivatives between gridpoints
CJC Kruger has a paper on "constrained cubic splines" which only use the nearby points, (pdf), it may be of interest.
- 2,545
4
votes
2
answers
524
views
battleship permutation
Consider the following one-dimensional version of the game battleships. There is a battleship somewhere on $\mathbb N$, i.e., a interval $N,\ldots,N+k$. Your task is to find whether this battleship …
- 2,545
3
votes
Accuracy of the formulas for angles between almost colinear vectors
For some background on these sort of issues, this might be interesting: R.W. Sinnott, "Virtues of the Haversine", Sky and Telescope, vol. 68, no. 2, 1984, p. 159
- 2,545
3
votes
Pade approximation of gaussian distribution to given precision
It would be worth looking at Schraudolph's sneaky trick if performance is your aim.
- 2,545