Question

A function $f:\mathbb{R}^2\rightarrow\mathbb{R}^2$ that maps a circle to a circle

score 97 · Answer 1 · 2026-04-14 02:09:23

97

Views

A function $f:\mathbb{R}^2\rightarrow\mathbb{R}^2$ that maps a circle to a circle

Published on 14 Apr 2026 - 2:09

score 418 · Answer 2 · 2026-04-12 05:08:31

418

Views

Partitions of unity of a compact subset of a smooth manifold

Published on 12 Apr 2026 - 5:08

score 354 · Answer 3 · 2026-05-11 08:01:57

354

Views

Showing how the Jacobian connects volumes for change of coordinates

Published on 11 May 2026 - 8:01

score 58 · Answer 4 · 2026-04-11 00:27:46

58

Views

Show equivalence of minimization techniques using Lagrangian multiplier.

Published on 11 Apr 2026 - 0:27

score 432 · Answer 5 · 2026-05-11 08:00:45

432

Views

Finding the volume of a pseudosphere that has been parametrised in $\theta$ and $t$

Published on 11 May 2026 - 8:00

score 724 · Answer 6 · 2026-04-13 06:40:31

724

Views

Relation between Riemann sums and oscillation of a bounded function

Published on 13 Apr 2026 - 6:40

score 173 · Answer 7 · 2026-04-12 12:34:51

173

Views

Existence of a double integral of given function

Published on 12 Apr 2026 - 12:34

score 29 · Answer 8 · 2026-04-14 05:29:10

29

Views

Validity of axes renaming

Published on 14 Apr 2026 - 5:29

score 47 · Answer 9 · 2026-04-24 14:01:21

47

Views

Prove that it is possible to isolate $z$ as a function of $(x,y)$ in $x^2 z^2-z^3 y x=0$ near the point $(1,1,1)$

Published on 24 Apr 2026 - 14:01

score 100 · Answer 10 · 2026-04-11 07:08:23

100

Views

How to show whether limit of this function exists or does not exist?

Published on 11 Apr 2026 - 7:08

score 35 · Answer 11 · 2026-03-30 15:44:53

35

Views

Derivative with single integral of variable limits, but with separate integration variable.

Published on 30 Mar 2026 - 15:44

score 457 · Answer 12 · 2026-05-10 20:00:25

457

Views

Finding an analytical solution to a simple 2D Finite Element Method problem

Published on 10 May 2026 - 20:00

score 128 · Answer 13 · 2026-04-11 17:23:00

128

Views

How to find the Volume of Dubai's Museum of the Future (An ellipsoid with an ellipsoidal hole in it)?

Published on 11 Apr 2026 - 17:23

score 208 · Answer 14 · 2026-05-10 21:57:31

208

Views

Is $z = x^2y^3(1-x-y)$ convex or concave?

Published on 10 May 2026 - 21:57

score 42 · Answer 15 · 2026-04-16 11:43:59

42

Views

Existence of an isolated point such that $\frac{\partial u}{\partial y} = 0$.

Published on 16 Apr 2026 - 11:43

List Question

A function $f:\mathbb{R}^2\rightarrow\mathbb{R}^2$ that maps a circle to a circle

Partitions of unity of a compact subset of a smooth manifold

Showing how the Jacobian connects volumes for change of coordinates

Show equivalence of minimization techniques using Lagrangian multiplier.

Finding the volume of a pseudosphere that has been parametrised in $\theta$ and $t$

Relation between Riemann sums and oscillation of a bounded function

Existence of a double integral of given function

Validity of axes renaming

Prove that it is possible to isolate $z$ as a function of $(x,y)$ in $x^2 z^2-z^3 y x=0$ near the point $(1,1,1)$

How to show whether limit of this function exists or does not exist?

Derivative with single integral of variable limits, but with separate integration variable.

Finding an analytical solution to a simple 2D Finite Element Method problem

How to find the Volume of Dubai's Museum of the Future (An ellipsoid with an ellipsoidal hole in it)?

Is $z = x^2y^3(1-x-y)$ convex or concave?

Existence of an isolated point such that $\frac{\partial u}{\partial y} = 0$.

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