List questions from approximation

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Approximating the value of $\frac{1}{\sqrt{1.1}}$ using Linear approximation of $\frac{1}{\sqrt{1+x}}$.

Published on 18 Feb 2015 - 18:17

141

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Given a vector $x\in \mathbb R^n$, how can we find $z\in \mathbb Z^n$ which is closest to a scalar multiple of $x$?

Published on 18 Feb 2015 - 21:51

1.1k

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Why erf(a-b)+erf(a)+erf(a+b) is so close to 3erf(a)?

Published on 19 Feb 2015 - 7:04

483

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Approximation: is it logical to approximate to zero?

Published on 20 Feb 2015 - 6:20

350

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Polynomial Approximation of Holomorphic Functions

Published on 27 Mar 2026 - 21:34

84

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Borel functions and continuous functions

Published on 23 Feb 2015 - 23:10

378

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Approximate a positive multivariate function with a sum of squares of polynomials?

Published on 27 Mar 2026 - 21:35

266

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Am I cheating in this case to evaluate $\pi$?

Published on 29 Mar 2026 - 14:08

70

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Approximation: What can I put under the $\cal O$s

Published on 26 Feb 2015 - 11:40

1.7k

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Linear Programming - deriving the Dual of the Primal

Published on 26 Feb 2015 - 17:07

190

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A Better Approximation of $e$

Published on 27 Feb 2015 - 8:18

94

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Multi-Objective Approximation Algorithms

Published on 28 Mar 2026 - 15:01

3.1k

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Approximating $\ln(1+\exp(x)+\exp(y))$

Published on 27 Mar 2026 - 23:14

69

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How to derive this integral?

Published on 08 Mar 2015 - 20:43

102

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how to approximate this expression $\frac{1}{8}x^2(1-\frac{1}{12}x^2)/(1-\frac{1}{4}x^2)$

Published on 09 Mar 2015 - 14:48

List Question

Approximating the value of $\frac{1}{\sqrt{1.1}}$ using Linear approximation of $\frac{1}{\sqrt{1+x}}$.

Given a vector $x\in \mathbb R^n$, how can we find $z\in \mathbb Z^n$ which is closest to a scalar multiple of $x$?

Why erf(a-b)+erf(a)+erf(a+b) is so close to 3erf(a)?

Approximation: is it logical to approximate to zero?

Polynomial Approximation of Holomorphic Functions

Borel functions and continuous functions

Approximate a positive multivariate function with a sum of squares of polynomials?

Am I cheating in this case to evaluate $\pi$?

Approximation: What can I put under the $\cal O$s

Linear Programming - deriving the Dual of the Primal

A Better Approximation of $e$

Multi-Objective Approximation Algorithms

Approximating $\ln(1+\exp(x)+\exp(y))$

How to derive this integral?

how to approximate this expression $\frac{1}{8}x^2(1-\frac{1}{12}x^2)/(1-\frac{1}{4}x^2)$

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