List questions from least-squares

Published on 27 Mar 2023 - 22:02

54

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Rewriting the solution of $\ell_2$-reweighted least-squares

Published on 25 Mar 2026 - 21:23

334

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How to solve this least-squares-like problem?

Published on 28 Mar 2026 - 13:35

76

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What is the gradient $\nabla F$ of $F(\vec{x}) = {\lVert A \vec{x} - b \rVert}_2^2$ with $A \in \mathbb{R}^{n \times d}$

Published on 01 Apr 2023 - 7:44

110

Views

Approximating $e^{-2x}$ using a linear combination of Chebyshev polynomials

Published on 25 Mar 2026 - 19:01

29

Views

Least squares approximation for a exponentially damped sinusoid

Published on 02 Apr 2023 - 13:58

90

Views

How do you construct a great circle arc that best fits (in the least-squared distance sense) three or more points on the surface of a sphere?

Published on 25 Mar 2026 - 15:42

29

Views

PCR as a biased estimator

Published on 01 Apr 2026 - 9:39

22

Views

Group Lasso with shrinkage

Published on 19 Apr 2023 - 16:08

72

Views

Derivation of the matrix condition number of linear equations

Published on 25 Mar 2026 - 13:13

39

Views

Multi-source OLS: What's this optimization problem called?

Published on 20 Apr 2023 - 13:53

62

Views

Finding a good fit for datapoints

Published on 27 Mar 2026 - 20:12

27

Views

Least squares regression with constraining an arbitrary index of the solution to be $0$

Published on 29 Mar 2026 - 10:18

59

Views

Computational cost for least-squares using normal equation and gradient descent

Published on 29 Mar 2026 - 19:33

50

Views

Dealing with indefinite integrals when using Least Squares Estimation

Published on 01 May 2023 - 12:43

List Question

Finding a parabola with least squares

Rewriting the solution of $\ell_2$-reweighted least-squares

How to solve this least-squares-like problem?

What is the gradient $\nabla F$ of $F(\vec{x}) = {\lVert A \vec{x} - b \rVert}_2^2$ with $A \in \mathbb{R}^{n \times d}$

Approximating $e^{-2x}$ using a linear combination of Chebyshev polynomials

Least squares approximation for a exponentially damped sinusoid

How do you construct a great circle arc that best fits (in the least-squared distance sense) three or more points on the surface of a sphere?

PCR as a biased estimator

Group Lasso with shrinkage

Derivation of the matrix condition number of linear equations

Multi-source OLS: What's this optimization problem called?

Finding a good fit for datapoints

Least squares regression with constraining an arbitrary index of the solution to be $0$

Computational cost for least-squares using normal equation and gradient descent

Dealing with indefinite integrals when using Least Squares Estimation

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