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Museful
  • Member for 8 years, 11 months
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5 votes
2 answers
396 views

Name for quadratic functions with no linear term

5 votes
3 answers
86 views

Derivative of $(uA+C)^{-1}\mathbf{b}$ w.r.t. $u\in\mathbb{R}$

4 votes
2 answers
141 views

Is there any obvious way to enforce a minimum amount of "positive definiteness" on a matrix?

4 votes
1 answer
218 views

Is a symmetric matrix positive definite iff $D$ in its LDU decomposition is positive definite?

4 votes
1 answer
55 views

An abstraction of matrices that can be added, inverted, transposed, multiplied

4 votes
1 answer
34 views

Name for a "location" property of a function

3 votes
2 answers
117 views

Can $(AA^T)^{-1}A$ be simplified? [closed]

3 votes
4 answers
663 views

A polynomial parametric curve spanning known tangent end-points

3 votes
0 answers
53 views

Derivative of $\log^2(\det(A))$ w.r.t. matrix A

2 votes
1 answer
215 views

One-sided heavy tailed distribution

2 votes
1 answer
444 views

Symmetric linear least squares solution

2 votes
0 answers
62 views

Solving $\int_{-\infty}^\infty \frac{x f(x)}{1+ax}\,\mathrm dx=0$ for $a$

2 votes
1 answer
209 views

Can every square matrix be expressed as a unique product of a symmetric and an orthogonal matrix?

2 votes
1 answer
37 views

What is the derivative of $(\mathbf{u}(x))^TA\mathbf{v}(x)$ w.r.t. $x$?

2 votes
3 answers
94 views

Derivative of squared norm of component of a matrix perpendicular to identity matrix, with respect to the original matrix

1 vote
2 answers
42 views

Oriented point set registration

1 vote
0 answers
33 views

2D point set registration by rotation

1 vote
1 answer
50 views

Does the expression $\frac{\mathbf{v}\mathbf{v}^T}{\mathbf{v}^T\mathbf{v}}$ have a name?

1 vote
0 answers
69 views

Approximate upper bound on eigenvalues of $I-A$ where $A$ is a sparse matrix wherein each row sums to 1.0

1 vote
0 answers
75 views

Under what conditions do fixed-point iterations by an affine transformation converge?

1 vote
0 answers
110 views

Map projection for the surface $z=xy$ onto $\mathbb{R}^2$

1 vote
0 answers
157 views

Gaussian blur over (or random walk in) a surface mesh

1 vote
3 answers
129 views

Find 3D line incident on four given 3D lines

1 vote
1 answer
282 views

Find simple polygons enclosing strict subset of points on a plane

1 vote
0 answers
59 views

Integrate angle subtended by a cubic spline

1 vote
0 answers
11 views

A word for fixing one of two independent variables to ___ a function of two variables into a function of one variable.

1 vote
0 answers
8 views

Is there terminology around a bivariate function that is dependent on only one of its two arguments?

1 vote
3 answers
148 views

Make two vectors mutually orthogonal while minimizing change to both vectors

1 vote
1 answer
38 views

Poor man's sphere packing in 3D

1 vote
1 answer
45 views

Derivative of $P^{-1}HP$ w.r.t. $H$