sam

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8 Answers

votes activity newest

7	What is the importance of eigenvalues/eigenvectors?
4	Why is the eigenvector of a covariance matrix equal to a principal component?
3	Is the cross product of two unit vectors itself a unit vector?
3	Solving $x$, $y$ and $z$
1	Absolute value of all values in a matrix

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404 Reputation

+20	What is the importance of eigenvalues/eigenvectors?
+10	Is the cross product of two unit vectors itself a unit vector?
+10	Intuitive explanation of Left invariant Vector Field
+10	Why is the eigenvector of a covariance matrix equal to a principal component?

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7 Questions

votes activity newest

6	Intuitive explanation of Left invariant Vector Field
5	How to Visualize points on a high dimensional (>3) Manifold?
5	Relationship between Riemannian Exponential Map and Lie Exponential Map
2	Jacobian of a Matrix
1	Are Lie Groups Homogeneous Spaces?

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21 Tags

13 linear-algebra × 6	3 arithmetic
11 eigenvectors × 2	1 matrices × 2
7 eigenvalues	1 absolute-value
7 soft-question	0 differential-geometry × 6
3 algebra-precalculus	0 lie-groups × 3

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3 Accounts

$Mathematics Stack Exchange$	Mathematics	404 rep	210
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	140 rep	14
	Stack Overflow	127 rep	5

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