List questions from approximation

Published on 10 May 2026 - 19:35

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Using taylor series expansion to approximate the derivative of a function

Published on 17 Apr 2026 - 10:40

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Leading terms in asymptotic expansion of modified bessel function of the first kind

Published on 11 May 2026 - 4:24

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How to derive the approximation $\tan(x)\simeq \frac{x}{1-x^2/3}$

Published on 16 Apr 2026 - 7:13

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If $\sum_{i=0}^{N} a_i \approx 0$, can I say that $\sum a_i \approx a_j$, where $a_j$ is a one single element of the sum?

Published on 14 Apr 2026 - 19:20

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improper integral trapezoid and simpson rule

Published on 11 Apr 2026 - 15:21

141

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Density of $C_c^\infty((0,T)\times R^d)$ in $L^2(0,T;H^1)$

Published on 03 May 2026 - 12:28

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poisson limit theorem for multinomial distribution

Published on 10 May 2026 - 22:30

42

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How can I predict missing values based on existing data?

Published on 11 Apr 2026 - 4:49

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Is the Taylor expansion of a concave function concave?

Published on 11 Apr 2026 - 19:26

584

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Newton's method for fraction

Published on 10 May 2026 - 18:12

60

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Using a linear approximation to deduce that phase-paths are closed

Published on 13 Apr 2026 - 4:13

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if $g(x)=\lim_{n→∞}\frac{\{x\}^{2n}-1}{\{x\}^{2n}+1}$ where $\{x\}=$fractional part of $x$, then find g(x).

Published on 16 Apr 2026 - 0:26

47

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Binom(n, p): estimate the probability that the number of successes is near the mode $np$

Published on 16 Apr 2026 - 7:34

25

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Interval of error

Published on 09 Apr 2026 - 12:56

List Question

Fitting the ratio of skew normal distributions

Using taylor series expansion to approximate the derivative of a function

Leading terms in asymptotic expansion of modified bessel function of the first kind

How to derive the approximation $\tan(x)\simeq \frac{x}{1-x^2/3}$

If $\sum_{i=0}^{N} a_i \approx 0$, can I say that $\sum a_i \approx a_j$, where $a_j$ is a one single element of the sum?

improper integral trapezoid and simpson rule

Density of $C_c^\infty((0,T)\times R^d)$ in $L^2(0,T;H^1)$

poisson limit theorem for multinomial distribution

How can I predict missing values based on existing data?

Is the Taylor expansion of a concave function concave?

Newton's method for fraction

Using a linear approximation to deduce that phase-paths are closed

if $g(x)=\lim_{n→∞}\frac{\{x\}^{2n}-1}{\{x\}^{2n}+1}$ where $\{x\}=$fractional part of $x$, then find g(x).

Binom(n, p): estimate the probability that the number of successes is near the mode $np$

Interval of error

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