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tri stan

Last seen: 3 mesi ago Active since 2017

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How to enforce time-varying boundary condition _type_ in PDEToolbox
Below is MWE solving wave equation with visualisation of an impulse propagating in a pipe. The problem is that after a period ...

4 mesi ago | 0 answers | 0

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Question

Including masking condition (NaN assignment) in anonymous function definition
If I want to mask some part of the plot (for example points located inside unit disk) I can use the following code: [X,Y] = mes...

6 mesi ago | 1 answer | 0

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Question

AppDesigner and uibutton problem
I wanted to give Matlab's AppDesigner a try. Unfortunately, the problem emerged just at the beggining. Whenever the application ...

11 mesi ago | 0 answers | 0

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Is it possible to have an array of function handles?
In modern versions of Matlab, there exist a better solution for this problem than proposed by @per isakson. Instead of using a...

circa un anno ago | 4

Question

Unexpected results obtained for Poisson problem in complex function space (R2017, R2018)
I'm using MATLAB 2017a. I want to solve Poisson problem with PDEToolbox div grad u = f with mixed boundary conditions, where ...

oltre 3 anni ago | 0 answers | 0

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Question

Time-varying boundary condition and impedance boundary condition for the wave equation
I would like to model the propagation of an acoustic impulse in the duct which is opened on the right side. So my governing equ...

oltre 4 anni ago | 0 answers | 0

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Question

PDEToolbox + Passing own parameters to the function defining geometry
I'm using PDE toolbox to solve some 2D PDE. The geometry is generated by function which is standarized and should have two par...

oltre 4 anni ago | 1 answer | 0