leftaroundabout

Member for 12 years, 4 months
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Bergen, Norway

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functions

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81

Looking for a function that approximates a parabola

Nov 26, 2020

30

Are angles ever multiplied?

Jun 27, 2011

21

Why is a linear transformation called linear?

Jan 23, 2016

20

Why are some non elementary integrals defined and others are not?

Feb 5, 2018

19

why don't we define vector multiplication component-wise?

Aug 23, 2012

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Is linear algebra more “fully understood” than other maths disciplines?

Mar 16, 2016

39

Is it true that a space-filling curve cannot be injective everywhere?

Jun 3, 2011

12

Is it mathematically problematic to consider the complex space of real(!)-valued functions?

Apr 20, 2017

9

How should one interpret an interval like $[2,1]$?

Aug 14, 2011

9

What is the name for the archetypical example of a test function, $\varphi(x)=e^{1/(x^2-1)}$?

May 23, 2011

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functions

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quadratics

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gaussian

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approximation

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conic-sections

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+10

Is it mathematically problematic to consider the complex space of real(!)-valued functions?

+10

How is the uniform boundedness principle compatible with this seemingly weak convergent sequence?

+10

Is it true that a space-filling curve cannot be injective everywhere?

+10

Would it be appropriate to use "power" to describe an $n$-fold fold of a number with some associative binary operation? Is there a better expression?

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