Question

Dual form of $L_1$ norm approximation as a linear programming problem

score 863 · Answer 1 · 2026-03-25 18:46:31

863

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Dual form of $L_1$ norm approximation as a linear programming problem

Published on 25 Mar 2026 - 18:46

score 6.9k · Answer 2 · 2026-03-25 18:47:03

6.9k

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Jacobian matrix and Taylor expansion

Published on 25 Mar 2026 - 18:47

score 21.4k · Answer 3 · 2026-03-25 18:48:35

21.4k

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Linear approximation to $y = \sqrt{1-x}$ at $x=0$, then approximate $\sqrt{0.9}$ and $\sqrt{0.99}$

Published on 25 Mar 2026 - 18:48

score 8.7k · Answer 4 · 2026-03-25 18:47:18

8.7k

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Linear approximation to ln(x) at x = 1, then estimate ln(1.08)

Published on 25 Mar 2026 - 18:47

score 154 · Answer 5 · 2026-03-25 18:47:37

154

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Reason for the name "Ring of dual numbers"

Published on 25 Mar 2026 - 18:47

score 1k · Answer 6 · 2026-03-25 18:43:41

1k

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Regression analysis on temperature/sensor data

Published on 25 Mar 2026 - 18:43

score 64 · Answer 7 · 2026-04-09 11:58:30

64

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Correct terminology for polylines, their segments, knots, etc.

Published on 09 Apr 2026 - 11:58

score 175 · Answer 8 · 2026-03-25 18:45:20

175

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Linear approximation formulas for $x$ not near $0$

Published on 25 Mar 2026 - 18:45

score 169 · Answer 9 · 2026-03-25 18:47:07

169

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Iterative approximation of non-constant values in linear equation

Published on 25 Mar 2026 - 18:47

score 284 · Answer 10 · 2026-03-25 18:44:14

284

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Is best approximation from a linear subspace a linear map?

Published on 25 Mar 2026 - 18:44

score 70 · Answer 11 · 2026-03-25 18:50:11

70

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Write an equation that approximates this relationship. Y = Seconds of daylight in day, X = a range of days

Published on 25 Mar 2026 - 18:50

score 23.3k · Answer 12 · 2026-03-25 18:46:33

23.3k

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Linear approximation of cos(28 degrees)

Published on 25 Mar 2026 - 18:46

score 1k · Answer 13 · 2026-03-25 18:45:08

1k

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Using Linear Approximation to estimate the max error .

Published on 25 Mar 2026 - 18:45

score 187 · Answer 14 · 2026-03-25 18:47:31

187

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How to Mathematically Recover Sparse Signal (Least Squares with $ {L}_{1} $ Regularization - LASSO)?

Published on 25 Mar 2026 - 18:47

score 72 · Answer 15 · 2026-03-25 18:47:05

72

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The approximation function of $\frac{x}{y}$

Published on 25 Mar 2026 - 18:47

List Question

Dual form of $L_1$ norm approximation as a linear programming problem

Jacobian matrix and Taylor expansion

Linear approximation to $y = \sqrt{1-x}$ at $x=0$, then approximate $\sqrt{0.9}$ and $\sqrt{0.99}$

Linear approximation to ln(x) at x = 1, then estimate ln(1.08)

Reason for the name "Ring of dual numbers"

Regression analysis on temperature/sensor data

Correct terminology for polylines, their segments, knots, etc.

Linear approximation formulas for $x$ not near $0$

Iterative approximation of non-constant values in linear equation

Is best approximation from a linear subspace a linear map?

Write an equation that approximates this relationship. Y = Seconds of daylight in day, X = a range of days

Linear approximation of cos(28 degrees)

Using Linear Approximation to estimate the max error .

How to Mathematically Recover Sparse Signal (Least Squares with $ {L}_{1} $ Regularization - LASSO)?

The approximation function of $\frac{x}{y}$

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