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Results tagged with matrices
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user 23705
Questions where the notion matrix has an important or crucial role (for the latter, note the tag matrix-theory for potential use). Matrices appear in various parts of mathematics, and this tag is typically combined with other tags to make the general subject clear, such as an appropriate top-level tag ra.rings-and-algebras, co.combinatorics, etc. and other tags that might be applicable. There are also several more specialized tags concerning matrices.
4
votes
Convert a confusion matrix to a distance/covariance matrix
Maybe a bit late (but it may help the readers), but there is a field of statistics addressing your question I believe. It is called multidimensional scaling and one of the references in this field is …
- 103
2
votes
1
answer
706
views
Is there a natural distance between skew hermitian matrices?
Working in machine learning, I try to find a way to compare time series, which can be considered as semi-continuous matrices belonging to $\mathbb R^{n \times \mathbb R}$ (a column corresponds to n-dimensional … So I have two questions:
Is there a natural distance on the set of skew symmetric (or skew hermitian) matrices? I guess the answer is "not in such a general framework". …
- 103