List questions from mathematical-physics

Published on 26 Apr 2015 - 18:40

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Pendulum tension force

Published on 27 Apr 2015 - 18:33

288

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Proving that $\int \delta \dot{x} dt = \delta x$

Published on 03 Apr 2026 - 0:19

231

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How can $ \Theta(x) = \int_{-\infty}^\infty \frac{-i}{2 \pi k} e^{ikx} \, dk $ possibly be the Heaviside Step Function?

Published on 31 Mar 2026 - 17:04

780

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How to simplify the summation of log

Published on 29 Apr 2015 - 0:35

249

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Newtons Law of Cooling Differential Equations

Published on 29 Apr 2015 - 19:26

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Why are nodes and nodal sets called this way?

Published on 30 Apr 2015 - 9:42

113

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How do you prove $\delta (ds^2) = 2 ds \delta(ds)$?

Published on 03 Apr 2026 - 1:58

647

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Overview of nonlinear analysis, differential equations (ODE and PDE), dynamical systems, and mathematical physics, and their relationships

Published on 02 May 2015 - 9:42

2.6k

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What really is a path-ordered exponential?

Published on 03 May 2015 - 17:23

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Integrating Associated Legendre Polynomials

Published on 26 Mar 2026 - 12:42

63

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How does the Schrodinger's potential transformer if the metric conformally transformers?

Published on 29 Mar 2026 - 12:41

106

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determining the fermi velocity via density of states

Published on 04 May 2015 - 20:45

48

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According to Buckingham Theorem the rank of $A$ should be $2$

Published on 26 Mar 2026 - 13:00

128

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Finding potential of a given vector field

Published on 05 May 2015 - 23:03

List Question

Asymptotic Behavior of Differential Equation

Pendulum tension force

Proving that $\int \delta \dot{x} dt = \delta x$

How can $ \Theta(x) = \int_{-\infty}^\infty \frac{-i}{2 \pi k} e^{ikx} \, dk $ possibly be the Heaviside Step Function?

How to simplify the summation of log

Newtons Law of Cooling Differential Equations

Why are nodes and nodal sets called this way?

How do you prove $\delta (ds^2) = 2 ds \delta(ds)$?

Overview of nonlinear analysis, differential equations (ODE and PDE), dynamical systems, and mathematical physics, and their relationships

What really is a path-ordered exponential?

Integrating Associated Legendre Polynomials

How does the Schrodinger's potential transformer if the metric conformally transformers?

determining the fermi velocity via density of states

According to Buckingham Theorem the rank of $A$ should be $2$

Finding potential of a given vector field

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