List questions from approximation

Published on 17 Sep 2019 - 9:43

61

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How small must $x$ be for the error of $\cos(x) \approx 1$ to be below a certain threshold

Published on 25 Mar 2026 - 22:04

90

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Significant figures problems

Published on 17 Sep 2019 - 22:14

145

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Linear Approximation for Velocity

Published on 18 Sep 2019 - 1:36

94

Views

Method of Steepest Descent in the limit of infinite dimensions

Published on 25 Mar 2026 - 9:43

68

Views

Find argmax $\frac{1}{2b}(\frac{x}{Na})^{\frac{N-1}{2}}e^{-\frac{1}{2b}(x+Na)}\frac{1}{\sqrt{2\pi(N-1)}}(\frac{\frac{e}{b}\sqrt{Nax}}{2(N-1)})^{N-1}$

Published on 28 Mar 2026 - 3:03

51

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Confused about dealing with Big $\mathcal{O}$ in functions

Published on 28 Mar 2026 - 10:40

76

Views

A question about approximations.

Published on 21 Sep 2019 - 17:39

325

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How to find X value so that the slope of the function is -1 (exponents)?

Published on 25 Mar 2026 - 10:56

131

Views

Numerical approximations of $2^x$ where $x$ is between $0$ and $1.0$?

Published on 27 Mar 2026 - 19:33

80

Views

Stone-Weierstrass

Published on 27 Sep 2019 - 22:06

115

Views

Saddle point approximation of terms in a sum

Published on 28 Sep 2019 - 17:51

776

Views

Orthogonal polynomial approximation

Published on 25 Mar 2026 - 6:32

249

Views

Convergence of this iterated logarithm: $\log(x + \log(x + \log(x + ... + \log(x + c)...)))$

Published on 01 Oct 2019 - 11:30

48

Views

Using Polars to Approximate a Cartesian line: Approximating an Integral

Published on 11 Mar 2014 - 17:57

List Question

When can a function be approximated as piecewise constant

How small must $x$ be for the error of $\cos(x) \approx 1$ to be below a certain threshold

Significant figures problems

Linear Approximation for Velocity

Method of Steepest Descent in the limit of infinite dimensions

Find argmax $\frac{1}{2b}(\frac{x}{Na})^{\frac{N-1}{2}}e^{-\frac{1}{2b}(x+Na)}\frac{1}{\sqrt{2\pi(N-1)}}(\frac{\frac{e}{b}\sqrt{Nax}}{2(N-1)})^{N-1}$

Confused about dealing with Big $\mathcal{O}$ in functions

A question about approximations.

How to find X value so that the slope of the function is -1 (exponents)?

Numerical approximations of $2^x$ where $x$ is between $0$ and $1.0$?

Stone-Weierstrass

Saddle point approximation of terms in a sum

Orthogonal polynomial approximation

Convergence of this iterated logarithm: $\log(x + \log(x + \log(x + ... + \log(x + c)...)))$

Using Polars to Approximate a Cartesian line: Approximating an Integral

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