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Results tagged with na.numerical-analysis
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user 152487
Numerical algorithms for problems in analysis and algebra, scientific computation
0
votes
1
answer
120
views
Least square error problem ill conditioning
I am trying to understand why I am getting an almost singular matrix in a problem I have.
The problem is a simple as
$$
\min_{X \in \mathbb{R}^{m,n}} \left\lVert AX - B \right\rVert_F^2
$$
Obvioulsy i …
- 115
3
votes
1
answer
73
views
How to deal with singularities in thin plate splines?
Follow up from this question Thin-Plate-Spline understanding and solution.
In the general case of $\mathbb{R}^N$ the following problem (interpolant which minimizes the Thin Plate Energy, specifically …
- 115
1
vote
0
answers
80
views
Can this problem be rephrased as optimization on a manifold?
I have question. I have a Riemmanian manifold $\mathcal{M}$, like an $n$-dimensional regular surface in $\mathbb{R}^n$. And I have a smooth scalar field defined on this manifold $f:\mathcal{M} \to \ma …
- 115