# Diego Hens

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**Content Feed**

Question

How does mat2cell work?

Hello, I need your help understanding how cell2mat works. I have tried so hard, but I just don't get it. I have: a Matrix ca...

7 months ago | 1 answer | 0

### 1

answerpcregistercpd - use tform manually

Well, my bad. It seems that it doesn't make sense to append the matrices with zeroes but with ones. I swear I tried it, but it d...

8 months ago | 0

| accepted

Question

pcregistercpd - use tform manually

Hello, I have a problem understanding how the tform (transformation matrix) from the function pcregistercpd works. First o...

8 months ago | 1 answer | 0

### 1

answerQuestion

Save point cloud plot as jpg with the same format

Hello, I have another (hopefully) easy question. I have the .fig as in the attachement. I want to save it as an jpg or png....

8 months ago | 1 answer | 0

### 1

answerQuestion

average of first element of every cell

Hello, I have gotten such a headache trying to solve this one. It shouldn't be that difficult. I have a table. Every cell ha...

8 months ago | 1 answer | 0

### 1

answerQuestion

Different color for every point - Scatter3

Hello, I'm using the function Scatter3 to plot a variable number of points (I use the function getpts to click on an existing ...

9 months ago | 1 answer | 0

### 1

answerQuestion

Interactive point selection 3D points

Hello, I need your help. In the image bellow (hopefully it did work this time) there is a three-dimensional tooth on the left ...

9 months ago | 0 answers | 0

### 0

answersQuestion

Flip and rotate matrix

Hello, this is a mathematical question, probably very easy for some people, but I want to make sure my solution is correct. ...

9 months ago | 2 answers | 0

### 2

answersQuestion

Multiply a column by -1, then do something. Do this for all possible combinations of the matrix

Hello, I have: a matrix U1 and U2 (whose columns are eigenvectors of another matrices) myfunction(U1,U2), which takes U1 and...

10 months ago | 1 answer | 0

### 1

answerQuestion

Point registration - How to get the eigenvectors to have a consistent direction?

Hello, I'm trying to replicate the algorithm of the attached paper. It's about feature-based correspondence based on the eigenv...

10 months ago | 1 answer | 0

### 1

answerHow to calculate the area of one Pixel?

I'm no expert and maybe I'll say the obvious, but I'd say you need the resolution of your image, meaning the amount of pixels in...

11 months ago | 0

Question

Preallocation with object structures

Hello, I have a question about preallocation with object-oriented programming. I have this object: This is the result of...

11 months ago | 1 answer | 0

### 1

answerQuestion

Interpolate 3d points with griddata or scatteredInterpolant - What's v?

Hello, I have a question that has been asked a few times on different ways but I have not been able to understand it. My data:...

11 months ago | 0 answers | 0

### 0

answersQuestion

Create a matrix [3xm] with the elements of a matrix [3,n] in the order given by vector k[m]

Hello, My brain is going to explode. I think the solution is easy, but I seem to not get it. I hope my explaination is good ...

11 months ago | 1 answer | 0

### 1

answerQuestion

STL Label faces (F), vertices (V) and normals (N)

Hello, I have attached a simple cube. I would like to label the faces (F), vertices (V) and normals (N) of this STL file in th...

11 months ago | 0 answers | 0

### 0

answersGet regular grid and points of a given stl file

Ok, here's what I got. Imagine the triangle on the left side was my object. It has values in X, Y and Z. I want to project the...

12 months ago | 0

Question

Get regular grid and points of a given stl file

Hello, I have have a stl file, which has many points (ca. ten thousand) but they are not uniformly distributed. As you know, ...

12 months ago | 2 answers | 0

### 2

answersCreate stl. file with [F,V,N] data

The answer can also be found here: https://www.mathworks.com/matlabcentral/answers/577465-stl-error-too-many-output-arguments?s_...

12 months ago | 0

| accepted

stl - error too many output arguments

I found the solution thanks to a reddit user. File2 = stlwrite(TR, 'file2.stl'); This line is wrong. Even if the library says...

12 months ago | 0

| accepted

Question

Set Color of Point Cloud to the values of a vector

Hello, I have a good feeling about this question being answered. I don't think it is that difficult. I have a matrix [x y z...

12 months ago | 1 answer | 0

### 1

answerQuestion

stl - error too many output arguments

Hello, I have a problem regarding the function stlwrite. I want to move a stl. file so that the center of mass is at the c...

12 months ago | 1 answer | 0

### 1

answerQuestion

Create stl. file with [F,V,N] data

Hello, I would like to create a stl. file with given data [F,V,N]. I have problems using the funtion stlwrite (https://de.ma...

12 months ago | 2 answers | 0

### 2

answersQuestion

Feature Extraction of stl. files (three dimensional)

Hello, I have a project in which I'd like to be able to extract features from stl. files of the crowns of teeth (the crown of...

12 months ago | 1 answer | 0