List questions from partial-derivative

Published on 22 Mar 2026 - 0:19

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Proving the differentiability of the following function of two variables

Published on 17 Mar 2026 - 15:50

1.9k

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Partial Derivative vs Total Derivative: Function depending Implicitly and Explicitly on Variable

Published on 20 Mar 2026 - 3:50

1.6k

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Holding intermediate variables constant in partial derivative chain rule

Published on 17 Mar 2026 - 7:07

81

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Derive an equation with Faraday's law

Published on 22 Mar 2026 - 11:56

508

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How might we express a second order PDE as a system of first order PDE's?

Published on 18 Mar 2026 - 19:27

8.2k

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Partial derivative of a summation

Published on 22 Mar 2026 - 4:27

741

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How might I find, in parametric form, the solution to this (first order, quasilinear) PDE?

Published on 22 Mar 2026 - 12:50

173

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Solving a PDE given initial/boundary conditions.

Published on 23 Mar 2026 - 5:53

38

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Proof for f must be a constant polynomial

Published on 22 Mar 2026 - 18:42

1k

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Show that $(x^2 + y^2) \sin\left(\frac{1}{x^2 + y^2}\right)$ is differentiable.

Published on 21 Mar 2026 - 10:07

123

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Find local extrema $f(x_1,x_2, \ldots , x_n) = \sqrt{(x_1+x_2+\ldots x_n-a)(a-x_1)(a-x_2)\cdots (a-x_n)}$

Published on 22 Mar 2026 - 2:50

6.3k

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Consider the function $f(x,y)=\ln(x^2+y^2+3).$ Compute the partial derivatives of the first and second order.

Published on 24 Mar 2026 - 4:09

176

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Optimizing a cost function - Matrix

Published on 21 Mar 2026 - 23:59

3.2k

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4-point-like central finite difference for second partial derivatives

Published on 20 Mar 2026 - 14:15

List Question

Equality of Mixed Partial Derivatives - Simple proof is Confusing

Proving the differentiability of the following function of two variables

Partial Derivative vs Total Derivative: Function depending Implicitly and Explicitly on Variable

Holding intermediate variables constant in partial derivative chain rule

Derive an equation with Faraday's law

How might we express a second order PDE as a system of first order PDE's?

Partial derivative of a summation

How might I find, in parametric form, the solution to this (first order, quasilinear) PDE?

Solving a PDE given initial/boundary conditions.

Proof for f must be a constant polynomial

Show that $(x^2 + y^2) \sin\left(\frac{1}{x^2 + y^2}\right)$ is differentiable.

Find local extrema $f(x_1,x_2, \ldots , x_n) = \sqrt{(x_1+x_2+\ldots x_n-a)(a-x_1)(a-x_2)\cdots (a-x_n)}$

Consider the function $f(x,y)=\ln(x^2+y^2+3).$ Compute the partial derivatives of the first and second order.

Optimizing a cost function - Matrix

4-point-like central finite difference for second partial derivatives

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