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splitcomplexes
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3
Usual method of partial fractions decomposition over the reals seems to fail.
Dec 2, 2022
2
Showing that $\nabla\times(\nabla\times\vec{A}) = \nabla(\nabla\cdot\vec{A})-\Delta\vec{A}$
Oct 13, 2018
1
I have an equation involving a polynomial function with coefficients that are exponentials.
Feb 3, 2020
1
I have two questions about linearizing the specific nonlinear, non-autonomous system of equations given below.
Aug 11, 2021
1
For $x\in(3\pi/2,5\pi/2)$ how can one find the values of $k$ such that $\arctan(\tan(x)) = x+k\pi$?
Oct 14, 2018
1
ODE system: change 't' to get a linear and autonomous system
Oct 17, 2018
1
Calculating the coordinates of end terminal point of an arc from known r, arc in radyan and starting terminal point coordinates of the arc.
Oct 29, 2018
1
Given one endpoint on an arc of a circle and the radius and arc angle, how to calculate the other endpoint of the arc?
Oct 31, 2018
1
Finding a scalar field whose gradient is a given conservative vector field
Nov 2, 2018
1
parametric representation for a point in the line or the line
Nov 4, 2018