List questions from approximation

Published on 04 Jun 2014 - 14:55

102

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Complete orthonormal system

Published on 25 Mar 2026 - 22:02

37

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Approximation of $C^\alpha(T^2)$ in $L^1$ by a $C^k$ function

Published on 25 Mar 2026 - 6:02

97

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How is this method for computing square roots a manifestation of Newton's method?

Published on 05 Jun 2014 - 19:34

1.3k

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Moving average as ODE

Published on 26 Mar 2026 - 20:43

131

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Cebysev (Tschebyscheff-) Approximation

Published on 25 Mar 2026 - 5:59

8k

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Product of Gamma functions II

Published on 28 Mar 2026 - 6:08

203

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Show that a subset $V \subseteq C[a,b]$ is a Haar subspace

Published on 25 Mar 2026 - 22:10

179

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Simplify function with polynomial via least-squares

Published on 28 Mar 2026 - 16:56

556

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Approximate Periodic Function by shifting Basis Functions

Published on 26 Mar 2026 - 20:36

164

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Lower bound for $(x^c-1)^{1/c}$

Published on 09 Jun 2014 - 22:08

160

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Rational approximation or series expansion of $K_0$ and $K_1$ for small z

Published on 11 Jun 2014 - 15:41

1.4k

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$(1-x)^y ≈ e^{-xy}$

Published on 26 Mar 2026 - 3:09

118

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Can we approximate $f(x) = \chi_{(0,\infty)}(x)$ by smooth monotone functions?

Published on 13 Jun 2014 - 12:14

333

Views

Is the following statement on the stability of the forward Euler method true or false?

Published on 14 Jun 2014 - 5:27

List Question

Explanation of a passage about a smooth approximation to $L^p$ function

Complete orthonormal system

Approximation of $C^\alpha(T^2)$ in $L^1$ by a $C^k$ function

How is this method for computing square roots a manifestation of Newton's method?

Moving average as ODE

Cebysev (Tschebyscheff-) Approximation

Product of Gamma functions II

Show that a subset $V \subseteq C[a,b]$ is a Haar subspace

Simplify function with polynomial via least-squares

Approximate Periodic Function by shifting Basis Functions

Lower bound for $(x^c-1)^{1/c}$

Rational approximation or series expansion of $K_0$ and $K_1$ for small z

$(1-x)^y ≈ e^{-xy}$

Can we approximate $f(x) = \chi_{(0,\infty)}(x)$ by smooth monotone functions?

Is the following statement on the stability of the forward Euler method true or false?

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