List questions from transformation

Published on 21 Mar 2026 - 20:46

47

Views

Functions on $\mathbb{R}^n$ commuting with orthogonal transformations

Published on 20 Mar 2026 - 1:04

829

Views

How do you prove that an image preserving barycentric coordinates w.r.t two triangles is an affine transformation?

Published on 22 Mar 2026 - 5:07

72

Views

Non-logarithmic bijective function from $\mathbb{R}^+$ into $\mathbb{R}$

Published on 20 Mar 2026 - 16:27

92

Views

Where does this "magical" transformatiom come from?

Published on 20 Mar 2026 - 6:54

823

Views

Calculate the convolution: $\frac{\sin(4t)}{\pi t}*( \cos(t)+\cos(6t) )$ using Fourier transform

Published on 21 Mar 2026 - 23:52

15k

Views

Find all $x \in\mathbb R^4$ that are mapped into the zero vector by the transformation $x \mapsto Ax$

Published on 24 Mar 2026 - 17:07

42

Views

Linear transformation $f (ax+by)=$?

Published on 22 Mar 2026 - 6:57

672

Views

Is a conformal transformation also a general coordinate transformation?

Published on 19 Mar 2026 - 6:47

124

Views

Infinite dimensional analysis

Published on 20 Mar 2026 - 13:40

855

Views

Circle inversion and the Pappus chain paradox

Published on 20 Mar 2026 - 3:44

66

Views

What is the pdf of g(x,y) were x and y are two random variables from a uniform distribution?

Published on 22 Mar 2026 - 3:50

310

Views

Solution of $mx''+cx'+kx=|\sin(t)|$ using Laplace transform

Published on 22 Mar 2026 - 13:17

1.1k

Views

Rotation matrix defined by radial coordinate system's $\theta$ and $\phi$

Published on 24 Mar 2026 - 20:32

328

Views

Transform ellipse back to circle

Published on 22 Mar 2026 - 6:22

List Question

$\int \ x\sqrt{1-x^2}\,dx$, by the substitution $x= \cos t$

Functions on $\mathbb{R}^n$ commuting with orthogonal transformations

How do you prove that an image preserving barycentric coordinates w.r.t two triangles is an affine transformation?

Non-logarithmic bijective function from $\mathbb{R}^+$ into $\mathbb{R}$

Where does this "magical" transformatiom come from?

Calculate the convolution: $\frac{\sin(4t)}{\pi t}*( \cos(t)+\cos(6t) )$ using Fourier transform

Find all $x \in\mathbb R^4$ that are mapped into the zero vector by the transformation $x \mapsto Ax$

Linear transformation $f (ax+by)=$?

Is a conformal transformation also a general coordinate transformation?

Infinite dimensional analysis

Circle inversion and the Pappus chain paradox

What is the pdf of g(x,y) were x and y are two random variables from a uniform distribution?

Solution of $mx''+cx'+kx=|\sin(t)|$ using Laplace transform

Rotation matrix defined by radial coordinate system's $\theta$ and $\phi$

Transform ellipse back to circle

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