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avocado
  • Member for 11 years, 4 months
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21 votes
3 answers
19k views

Relation between the Hessian matrix and curvature

16 votes
1 answer
14k views

Why any field is a principal ideal domain?

8 votes
1 answer
10k views

On the Hessian matrix and its properties

7 votes
1 answer
5k views

On a "1-D line", the point that minimizes the sum of the distances is the median, WHY?

7 votes
3 answers
5k views

Why Gaussian Elimination only works over field?

6 votes
4 answers
9k views

Solve Modular Equation $5x \equiv 6 \bmod 4$

6 votes
1 answer
9k views

Degrees of freedom in a Homography matrix

5 votes
1 answer
761 views

how to construct the Lagrangian dual problem?

5 votes
1 answer
4k views

compute pca with this useful trick

5 votes
2 answers
1k views

Why do we need duality in linear programming or convex optimization?

5 votes
2 answers
12k views

matrix representation of polynomial

4 votes
2 answers
10k views

normalized Laplacian of Gaussian

3 votes
1 answer
658 views

linear transformation's geometric meaning

3 votes
2 answers
3k views

Lagrangian multiplier finds local optima for non-convex function?

2 votes
1 answer
1k views

change of variable in normal distribution

2 votes
1 answer
700 views

How singular is a matrix?

2 votes
1 answer
2k views

How does Hessian matrix describe the local curvature?

2 votes
1 answer
118 views

Geometric meaning of line equation in homogeneous coordinate

2 votes
1 answer
209 views

Multi-objective optimisation methods

1 vote
1 answer
1k views

Minimization of the sum of absolute values

1 vote
1 answer
2k views

optimization problem to minimize two funtions

1 vote
1 answer
3k views

linear map vs operator: raised to power

1 vote
1 answer
140 views

How Hessian feature detector works?

1 vote
1 answer
491 views

Maximum likelihood and Bayesian Theorem

1 vote
0 answers
205 views

what is the bias of an estimator

1 vote
0 answers
89 views

intergral of the product of 2 multivariate Gaussian distribution

1 vote
1 answer
142 views

Is Gaussian function dimensional or non-dimensional?

1 vote
0 answers
42 views

how to compute derivative of an integral over a function

1 vote
1 answer
289 views

maximize linear combination where parameters are non-negative and sum to 1

0 votes
0 answers
237 views

symmetric matrix right and left singular matrix of a symmetric matrix