Question

Jacobian for function with couple of couple

score 55 · Answer 1 · 2018-11-20 20:10:44

55

Views

Jacobian for function with couple of couple

Published on 20 Nov 2018 - 20:10

score 30 · Answer 2 · 2026-03-26 09:38:16

30

Views

Partial derivative of function of inverse function

Published on 26 Mar 2026 - 9:38

score 111 · Answer 3 · 2018-11-22 21:45:10

111

Views

Definition of $C^k( \overline{\Omega})$

Published on 22 Nov 2018 - 21:45

score 349 · Answer 4 · 2018-11-22 22:13:07

349

Views

Proof: There is no function $f \in C^2(\mathbb{R^3})$ with gradient $\nabla f(x,y,z) = (yz, xz, xy^2)$

Published on 22 Nov 2018 - 22:13

score 79 · Answer 5 · 2018-11-22 23:09:43

79

Views

Proof: $F(x,t) := t^{-n/2} \exp(-\frac{\Vert x \Vert_2^2}{4t})$ is solution of $\Delta F - \frac{\partial F}{\partial t} = 0$

Published on 22 Nov 2018 - 23:09

score 13.6k · Answer 6 · 2018-11-24 06:07:37

13.6k

Views

Finding the Maximum and Minimum Values of a Function in a Domain

Published on 24 Nov 2018 - 6:07

score 44 · Answer 7 · 2026-03-25 23:11:06

44

Views

How does author derives $\nabla_i V_{ij} = \nabla_{ij} V_{ij} = - \nabla_j V_{ji}$?

Published on 25 Mar 2026 - 23:11

score 142 · Answer 8 · 2026-03-25 10:15:36

142

Views

charpits method to solve $u_x^2 + yu_y = u$

Published on 25 Mar 2026 - 10:15

score 24 · Answer 9 · 2018-11-25 10:16:55

24

Views

Derivative of function with 2 summations and powers

Published on 25 Nov 2018 - 10:16

score 30 · Answer 10 · 2026-03-28 03:03:06

30

Views

Does $f(x,y,z)=(1 + |x|+|y|) \cosh(|x|-|y| + z^2)$ have extrema other than at the origin?

Published on 28 Mar 2026 - 3:03

score 158 · Answer 11 · 2018-11-25 19:25:35

158

Views

Find a partial derivatives by definition

Published on 25 Nov 2018 - 19:25

score 20 · Answer 12 · 2018-11-26 17:09:57

20

Views

How to find $\partial\chi^2/\partial a$ where $\chi^2=\sum_{i=1}^N\frac{D(x_i)-a-b(x_i)^2}{\sigma_i^2}$?

Published on 26 Nov 2018 - 17:09

score 15 · Answer 13 · 2018-11-26 17:50:18

15

Views

How to find $\partial\chi^2/\partial b$ when $\chi^2=\sum_{i=1}^N\frac{D(x_i)-a-b(x_i)^2}{\sigma_i^2} $?

Published on 26 Nov 2018 - 17:50

score 165 · Answer 14 · 2018-11-26 19:04:45

165

Views

$d^2u/dx^2 - d^2u/dy^2 = f(x,y)$ $\rightarrow$ $d^2u/dξdη = \frac{1}{4}f(\frac{1}{2}(ξ+η),\frac{1}{2}(η-ξ))$

Published on 26 Nov 2018 - 19:04

score 615 · Answer 15 · 2026-03-26 00:09:46

615

Views

$u_{xx} + u_{xy} + u_{yy} = 0$ in canonical form

Published on 26 Mar 2026 - 0:09

List Question

Jacobian for function with couple of couple

Partial derivative of function of inverse function

Definition of $C^k( \overline{\Omega})$

Proof: There is no function $f \in C^2(\mathbb{R^3})$ with gradient $\nabla f(x,y,z) = (yz, xz, xy^2)$

Proof: $F(x,t) := t^{-n/2} \exp(-\frac{\Vert x \Vert_2^2}{4t})$ is solution of $\Delta F - \frac{\partial F}{\partial t} = 0$

Finding the Maximum and Minimum Values of a Function in a Domain

How does author derives $\nabla_i V_{ij} = \nabla_{ij} V_{ij} = - \nabla_j V_{ji}$?

charpits method to solve $u_x^2 + yu_y = u$

Derivative of function with 2 summations and powers

Does $f(x,y,z)=(1 + |x|+|y|) \cosh(|x|-|y| + z^2)$ have extrema other than at the origin?

Find a partial derivatives by definition

How to find $\partial\chi^2/\partial a$ where $\chi^2=\sum_{i=1}^N\frac{D(x_i)-a-b(x_i)^2}{\sigma_i^2}$?

How to find $\partial\chi^2/\partial b$ when $\chi^2=\sum_{i=1}^N\frac{D(x_i)-a-b(x_i)^2}{\sigma_i^2} $?

$d^2u/dx^2 - d^2u/dy^2 = f(x,y)$ $\rightarrow$ $d^2u/dξdη = \frac{1}{4}f(\frac{1}{2}(ξ+η),\frac{1}{2}(η-ξ))$

$u_{xx} + u_{xy} + u_{yy} = 0$ in canonical form

Trending Questions

Popular # Hahtags

Popular Questions