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Andrei


Last seen: 4 months ago |  Active since 2023

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FEM for nonlinear first-order ODE
Currently I am trying to solve nonlinear Ricatti equation using FEM: First of all I write weak formulation: It sho...

6 months ago | 0 answers | 0

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Question


Generation of n_th anonymouse Walsh function
I need Walsh functions for fourier approximation of some test function (let it be sinx on interval from -pi to pi). So I need to...

6 months ago | 0 answers | 0

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answers

Question


Different limits of function sequence
Write a function convergenceFunc(fn, f, a, b, n, convType) that takes as input arguments: a function fn(n,x), fn(n,x) = f_n(x) -...

6 months ago | 0 answers | 0

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answers

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Draw matrix with circle points
Now I am working on some physics problem, and I need to obtaine scaled figure of dots as shown below: This is 2D plot with dots...

10 months ago | 0 answers | 0

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Question


Not enough input arguments in trapz
I am currently trying to perfor, numerical integration inb polar coordinates. I used trapz function this way: Nx = 402; x = li...

10 months ago | 1 answer | 0

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Dynamical plotting acceleration during loop calculation
Currently I am solving physical problem, where I need to see what is happening during the solution. Because of that I dynamicall...

1 year ago | 1 answer | 0

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answer

Question


Plotting of a surface
Currently I am working on creating ring potential with cosine-modulated depth. Since I know, that modulation is radial invariant...

1 year ago | 1 answer | 1

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answer

Question


Need to store data every loop
I have a program which counts some physical process. I discretize space and time and that means that I have a lot off poits of c...

1 year ago | 1 answer | 0

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