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Results tagged with na.numerical-analysis
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user 11512
Numerical algorithms for problems in analysis and algebra, scientific computation
0
votes
An inequality on concave functions
That $\log \circ f$ is concave follows from concavity of $\log$ and $f$ because $f$ is non-decreasing. I do not see how you could put positivity to use here.
- 446
0
votes
An inequality on concave functions
We want
$$f(x)f(stx)\le f(sx)f(tx)$$
for concave non-decreasing functions with $f(0) = 0$. Since we require this for every $x$ and $f$ we can assume $x = 1$, because our claim is invariant w.r.t scali …
- 446
2
votes
Accepted
Numerical analysis of parabolic obstacle problem
There's an overview of available schemes in chapter III of
Roland Glowinski, MR 737005 Numerical methods for nonlinear variational problems, ISBN: 0-387-12434-9.
(of which there is also reprint from …
- 446