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Last seen: ein Tag ago
22 total contributions since 2019

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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...

3 Tage 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 ...

3 Tage ago | 2 answers | 0

2

Question

Adjusting Cell and Face Labels in pdegplot
I'm working with the PDE Toolbox using multi-cell geometries. I'm encountering an issue where the face/cell labels in pdegplot r...

23 Tage ago | 0 answers | 0

0

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...

etwa 2 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 ...

etwa 2 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...

etwa 2 Monate ago | 2 answers | 0

2

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...

2 Monate ago | 0 answers | 0

0

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...

3 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...

3 Monate ago | 1 answer | 0

1

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

3 Monate ago | 0

| 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...

5 Monate ago | 1 answer | 0

1

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

6 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)...

6 Monate ago | 1 answer | 0

1

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...

7 Monate ago | 2 answers | 0

2

Assembly of Global Stiffness Matrix
I'm interested in the same fundimental problem. Working with linear tetrahedra I'm considering a 3D vector system giving 3 degre...

7 Monate ago | 0

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 ...

7 Monate ago | 1 answer | 0

1

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...

8 Monate ago | 1 answer | 0

1

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...

10 Monate ago | 1 answer | 1

1

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 ...

11 Monate ago | 1 answer | 0

1

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...

etwa ein Jahr ago | 1 answer | 0

1

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...

etwa ein Jahr ago | 1 answer | 0