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All questions asked by Tan Phan

List all solved & unsolved questions asked by Tan Phan

Robin Boundary Condition with Implicit Upwind - Finite Difference Method for 2D Convection-Diffusion Equation

1   Computational Science Asked on 08/30/2021

advection diffusion  numerical modelling  numerics  pde  sparse matrix 

How is the Rodrigues formula $L_n^k(x)=frac{e^x x^{-k}}{n!}frac{d^n}{dx^n}(e^{-x}x^{n+k})$ derived?

1   Mathematics Asked on 01/27/2021

laguerre polynomials 

Absolute values of a closed set's elements

2   Mathematics Asked on 01/27/2021

absolute value  real analysis 

Show $log{a_n}rightarrowlog{a}$ as ${nrightarrowinfty}$

1   Mathematics Asked on 01/27/2021

convergence divergence  logarithms  proof explanation  sequences and series 

Determine whether a set is Invariant, Positively invariant or negatively invariant

1   Mathematics Asked on 01/27/2021

dynamical systems  set invariance 

Upper bound for the total curvature of a shortest path in the boundary of a convex polyhedron in $mathbb{R}^3$.

1   Mathematics Asked on 01/27/2021

differential geometry  discrete geometry  metric geometry 

How do I calculate $mathcal{L}^{-1}left[frac{s}{s^{alpha}(s^{2}+1)}right]$?

0   Mathematics Asked on 01/27/2021

fractional calculus  inverse laplace 

Sum of all solvable ideals of a Lie algebra and radical

1   Mathematics Asked on 01/26/2021

lie algebras 

Let $f: (mathbb{Z}_{24}, +) rightarrow (mathbb{Z}_{36}, +)$ be a group homomorphism. How many elements are there in the kernel of $f$?

2   Mathematics Asked on 01/26/2021

abstract algebra  group homomorphism  group theory  modular arithmetic 

Ideal of a group

2   Mathematics Asked on 01/26/2021

group theory  ideals  terminology 

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