List questions from partial-derivative

Published on 21 Apr 2018 - 15:35

187

Views

How to find absolute maximum of a bivariate quadratic function subject to constraints?

Published on 24 Mar 2026 - 20:38

208

Views

For $u$ in the Sobolev space $W^{k,p}(U)$, how to know $u$ or $D^\alpha u$ on the boundary of $U$?

Published on 25 Mar 2026 - 8:13

21

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Implicit Differentiation Given functions

Published on 22 Apr 2018 - 23:42

56

Views

Finding change of temperature at $t = 0$

Published on 25 Mar 2026 - 7:43

110

Views

Differentiating power towers

Published on 23 Apr 2018 - 20:31

50

Views

Exchanging partial derivatives and limit for smooth versions of functions depending only on direction

Published on 23 Apr 2018 - 20:57

55

Views

Proof the differentiability of multivariable functions

Published on 24 Apr 2018 - 13:28

725

Views

Partial derivatives with Einstein summation

Published on 25 Mar 2026 - 14:00

1k

Views

Definite Integral of a partial derivative

Published on 25 Apr 2018 - 9:52

19

Views

Weak conditions on boundary for the existence of smooth cut-functions

Published on 25 Apr 2018 - 15:58

315

Views

Taking the partial derivative of substitution variables with trig-functions

Published on 25 Mar 2026 - 7:43

34

Views

Laplace's equation or common 2nd order PDE?

Published on 26 Apr 2018 - 15:20

960

Views

Volume of open rectangular box w/o a square bottom

Published on 27 Apr 2018 - 6:02

4.9k

Views

Solving least squares problem using partial derivatives

Published on 24 Mar 2026 - 23:42

List Question

Maximum rate of increase- Directional derivatives

How to find absolute maximum of a bivariate quadratic function subject to constraints?

For $u$ in the Sobolev space $W^{k,p}(U)$, how to know $u$ or $D^\alpha u$ on the boundary of $U$?

Implicit Differentiation Given functions

Finding change of temperature at $t = 0$

Differentiating power towers

Exchanging partial derivatives and limit for smooth versions of functions depending only on direction

Proof the differentiability of multivariable functions

Partial derivatives with Einstein summation

Definite Integral of a partial derivative

Weak conditions on boundary for the existence of smooth cut-functions

Taking the partial derivative of substitution variables with trig-functions

Laplace's equation or common 2nd order PDE?

Volume of open rectangular box w/o a square bottom

Solving least squares problem using partial derivatives

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