Question

How to find the set of all points in a submanifold minimizing the distance to a given point?

score 206 · Answer 1 · 2026-05-10 16:13:53

206

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How to find the set of all points in a submanifold minimizing the distance to a given point?

Published on 10 May 2026 - 16:13

score 51 · Answer 2 · 2026-05-15 09:51:43

51

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If $f = f(x,y)$ and $C$ is constant, then is this true: $\frac{\partial f}{\partial (Cx)}=\frac{1}{C}\frac{\partial f}{\partial x}$?

Published on 15 May 2026 - 9:51

score 107 · Answer 3 · 2026-04-10 04:46:43

107

Views

General Solution for Partial Differential Equation

Published on 10 Apr 2026 - 4:46

score 269 · Answer 4 · 2026-04-12 09:52:10

269

Views

If a function is uniformly continuous restricted to each line, is it globally uniformly continuous?

Published on 12 Apr 2026 - 9:52

score 63 · Answer 5 · 2026-05-11 00:27:30

63

Views

Finding the best approximation of a function of $2$ variables.

Published on 11 May 2026 - 0:27

score 1.4k · Answer 6 · 2026-04-16 05:32:29

1.4k

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$\iint f(x)g(y)dxdy =\int f(x)dx \int g(y)dy $ Why?

Published on 16 Apr 2026 - 5:32

score 91 · Answer 7 · 2026-05-11 09:47:54

91

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Evaluating $\int_{1/4}^1 \int_{\sqrt{x-x^2}}^{\sqrt x}\left(\frac{x^2-y^2}{x^2}\right)\,dy\,dx$

Published on 11 May 2026 - 9:47

score 72 · Answer 8 · 2026-05-15 14:02:36

72

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$\int_{[-1,1]}\int_{[-1,1]}\frac{xy}{(x^2+y^2)^2}d\lambda(x) d\lambda(y)= \int_{[-1,1]}\int_{[-1,1]}\frac{xy}{(x^2+y^2)^2}d\lambda(y) d\lambda(x)$

Published on 15 May 2026 - 14:02

score 96 · Answer 9 · 2026-05-10 17:39:38

96

Views

If $q \neq 5$ or $k \neq 1$, do the following conditions follow?

Published on 10 May 2026 - 17:39

score 163 · Answer 10 · 2026-05-15 13:58:17

163

Views

Is the graph of integrable function a Jordan set

Published on 15 May 2026 - 13:58

score 55 · Answer 11 · 2026-05-11 05:10:13

55

Views

Geodesic Dome defined parametrically

Published on 11 May 2026 - 5:10

score 274 · Answer 12 · 2026-04-14 16:30:21

274

Views

Global extrema of $f(x,y)=3x^2-y^3$ on the circle $x^2+y^2 \leq 25$

Published on 14 Apr 2026 - 16:30

score 1.1k · Answer 13 · 2026-04-13 08:36:24

1.1k

Views

How change the order and integrate this function $e^{x^{2}}$?

Published on 13 Apr 2026 - 8:36

score 577 · Answer 14 · 2026-05-11 03:10:24

577

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Application of the Implicit function theorem on the function $f(x,y,z)=(x^2+y^2)e^z+\sin(\pi x)yz+2z-1$

Published on 11 May 2026 - 3:10

score 225 · Answer 15 · 2026-04-25 09:42:46

225

Views

Method of Undermined coefficients

Published on 25 Apr 2026 - 9:42

List Question

How to find the set of all points in a submanifold minimizing the distance to a given point?

If $f = f(x,y)$ and $C$ is constant, then is this true: $\frac{\partial f}{\partial (Cx)}=\frac{1}{C}\frac{\partial f}{\partial x}$?

General Solution for Partial Differential Equation

If a function is uniformly continuous restricted to each line, is it globally uniformly continuous?

Finding the best approximation of a function of $2$ variables.

$\iint f(x)g(y)dxdy =\int f(x)dx \int g(y)dy $ Why?

Evaluating $\int_{1/4}^1 \int_{\sqrt{x-x^2}}^{\sqrt x}\left(\frac{x^2-y^2}{x^2}\right)\,dy\,dx$

$\int_{[-1,1]}\int_{[-1,1]}\frac{xy}{(x^2+y^2)^2}d\lambda(x) d\lambda(y)= \int_{[-1,1]}\int_{[-1,1]}\frac{xy}{(x^2+y^2)^2}d\lambda(y) d\lambda(x)$

If $q \neq 5$ or $k \neq 1$, do the following conditions follow?

Is the graph of integrable function a Jordan set

Geodesic Dome defined parametrically

Global extrema of $f(x,y)=3x^2-y^3$ on the circle $x^2+y^2 \leq 25$

How change the order and integrate this function $e^{x^{2}}$?

Application of the Implicit function theorem on the function $f(x,y,z)=(x^2+y^2)e^z+\sin(\pi x)yz+2z-1$

Method of Undermined coefficients

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