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##### Last seen: 7 Tage ago
26 total contributions since 2019

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Question

Plotting A Large Number Of Patches
There are a few older topics on this, but nothing I could find which is directly relevent I don't think. I'm utilising a modifie...

11 Tage ago | 1 answer | 0

### 1

Question

Vectorising a Meshgrid Coordinate Construction
I have three coordinate arrays (file attached) of size [M x 2], where M is the number of elements and the 2 represents different...

etwa 2 Monate ago | 1 answer | 0

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Correctly identifying faces of geometry that is displayed with pdegplot()
Another workaround which I use is to find nodes associated with faces and plot them onto a pdegplot to highlight specific faces:...

3 Monate ago | 0

Question

PDE Toolbox via Linux Server SSH Memory Corruption Error
I'm trying to use some code I've written on the universities Linux server but I'm encountering an error in running the code ther...

3 Monate ago | 0 answers | 0

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Creating modified cavities in 3D models.
All of this is definitely possible, but the inbuilt CAD capabilities/geometry design in MATLAB aren't its strongest point. Fro...

4 Monate ago | 0

| accepted

Question

I'm using the PDE Toolbox and the geometryFromMesh function to import meshes made externally (gmsh). The PDE Toolbox supports bo...

5 Monate ago | 0 answers | 1

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Visualising 3D Cubes with a colour map
This can be achieved nicely using plotcube from the file exchange and a for loop: Plot Cube facealpha = .5; for index = 1:le...

5 Monate ago | 0

Question

Visualising 3D Cubes with a colour map
As part of a model I'm working on, I have discretised a problem into "brick elements" or "cubic voxels". The assumption then is ...

5 Monate ago | 2 answers | 0

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Point Categorisation via a suggested Mathematica If Statement
Utilising Walters suggested syntax, the expected code in MATLAB is: f_1 = (abs(location.x) <= abs(location.y)).*sign(locati...

7 Monate ago | 0

| accepted

Can I program the selection of faces for PDE modelling of a 3D object?
Not directly what you're searching for but something which could be applied in the same way is an undocumented function I found ...

7 Monate ago | 1

Question

Point Categorisation via a suggested Mathematica If Statement
I've been trying to figure out how to convert this for too long but without success - I'm hoping this is more obvious to a fresh...

7 Monate ago | 2 answers | 0

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Question

Second order derivatives in the PDE Toolbox
The PDE toolbox is pretty brilliant in that it evaluates the spatial derivitives of your function as well as the function itself...

7 Monate ago | 0 answers | 0

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Reading *.msh files (3D) in Matlab.
If you're using gmsh, you can use its inbuilt exporter to export a .m file to read into MATLAB. This loads in a structure arra...

8 Monate ago | 0

Question

Additional Inputs PDE Toolbox f coefficient
My code below is generating some sort of error, however I'm not sure the error message is consistent with the problem which is a...

8 Monate ago | 1 answer | 0

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You can't load in multiple geometries seperately in 3D to my knowledge. From my current experience, the only way to properly man...

8 Monate ago | 1

| accepted

Question

3D Multi-Domain PDE Modelling
The associated geometry for my problem is given below, where cell 1 is the current containing region and cell 2 is the surroundi...

10 Monate ago | 1 answer | 1

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Creating a 3D Multidomain PDE Object:
This question was also posted on stack exchange where a very helpful answer was posted: Stack Exchange Answer

11 Monate ago | 0

| accepted

Question

Creating a 3D Multidomain PDE Object:
I have a geometry currently defined via .stl file (attached below). Unfortunetly, as noted in the documentation (STL Limitation)...

11 Monate ago | 1 answer | 0

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Question

Linspace with varying increment
I'm interested in creating a set of numbers between fixed start and end points . I know I have 2 options to do this with a fixed...

12 Monate ago | 2 answers | 0

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Question

Colouring Tetramesh - Element wise
I'm working with tetrahedral finite elements. I can happily set up a mesh and work with said mesh. A really simple example code ...

etwa ein Jahr ago | 1 answer | 0

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Question

Converting FORTRAN code for Finite Element Analysis - Dealing with a Go To Command
Hello everyone, I'm working on a problem and trying to come to grips with finite element analysis. I'm working from "A Simple...

etwa ein Jahr ago | 1 answer | 0

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Question

Hey everyone, I'm currently trying to get my head around how quadprog works to apply it to a problem I'm working on. In the cur...

etwa ein Jahr ago | 1 answer | 1

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Question

Visualising Volume Object Data
Hey everyone, I know there's a lot of questions on this problem but I can't find anything which quite works the way I'd like ...

mehr als ein Jahr ago | 1 answer | 0

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Question

Integral2 With Spherical Harmonics
I have a function to evaluate a specific spherical harmonic at some nth, mth order for some given Theta,Phi input. Currently I g...

mehr als ein Jahr ago | 1 answer | 0

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Question

Logical Indexing with Complex Numbers
So I have a data set of coefficients which are calculated from a Laplace expansion into spherical harmonics. The resulting coeff...

mehr als ein Jahr ago | 1 answer | 0