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ADSW121365


Last seen: ein Tag ago
22 total contributions since 2019

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Answered
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

answers

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

answers

Answered
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

Answered
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

answers

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

answers

Answered
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

answer

Answered
Loading .stl 3D geometry PDE Toolbox with two cellzones
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

answer

Answered
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

answer

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

answers

Answered
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

answer

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

answer

Question


Quadratic Programming (quadprog):
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

answer

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

answer

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

answer

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

1

answer

Question


Curve fitting & Plotting On Logarithmic y, linear x
I have a plot which looks something like this; Which is a pretty nice plot upon which I'd like to curvefit. Within the curve...

etwa ein Jahr ago | 1 answer | 0

1

answer