Johannes Korsawe
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I am a mathematician at the Volkswagen AG and working with MATLAB since ~1998. Professional Interests: fem, geometrical computations
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Change Mouse/ Cursor appearance in ginput
This can be done very easily: Use a local copy of Mathworks' original function ginput.m which has precedence in your Matlab pat...
Change Mouse/ Cursor appearance in ginput
This can be done very easily: Use a local copy of Mathworks' original function ginput.m which has precedence in your Matlab pat...
1 year 前 | 0
已回答
How to fix 'Error Adams(server) simulation startup. AEI_Initialize: Error in initialization.'
I ran into the same error. My problem had been deprecated ADAMS model/maneuvre files. I used ADAMS model/maneuvre files from BEF...
How to fix 'Error Adams(server) simulation startup. AEI_Initialize: Error in initialization.'
I ran into the same error. My problem had been deprecated ADAMS model/maneuvre files. I used ADAMS model/maneuvre files from BEF...
2 years 前 | 0
已回答
Error in Cosimulation Matlab- Adams in the S-function
I ran into the same error. My problem had been deprecated ADAMS model/maneuvre files. I used ADAMS model/maneuvre files from BEF...
Error in Cosimulation Matlab- Adams in the S-function
I ran into the same error. My problem had been deprecated ADAMS model/maneuvre files. I used ADAMS model/maneuvre files from BEF...
2 years 前 | 0
已回答
How to create a triangulation from a list of edges and list of nodes?
allCyclesWithLengthThree = allcycles(g, 'MaxCycleLength', 3); connectivityList = cell2mat(allCyclesWithLengthThree);
How to create a triangulation from a list of edges and list of nodes?
allCyclesWithLengthThree = allcycles(g, 'MaxCycleLength', 3); connectivityList = cell2mat(allCyclesWithLengthThree);
2 years 前 | 0
| 已接受
提问
writecell does not work properly after invoking and closing actxserver
Hi folks, i have some strange behavior after switching to office 365. My former workflow, which consists of a huge number of a...
2 years 前 | 1 个回答 | 0
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Find values in list that appear exactly once
Hi there, assume, i have a list of integer values. I need a fast way to find those values in the list, that appear exactly on...
7 years 前 | 1 个回答 | 0
1
个回答已回答
How to add two sparse matrices or ndSparse matrices in MATLAB?
help sparse fourth and fifth argument of sparse prescribe the dimensions. If you know them from the beginning of ayour code, ...
How to add two sparse matrices or ndSparse matrices in MATLAB?
help sparse fourth and fifth argument of sparse prescribe the dimensions. If you know them from the beginning of ayour code, ...
8 years 前 | 0
已回答
Neighbors of a pixel
Let A be your matrix. % use the help of a bigger matrix B=nan(size(A)+2); B(2:end-1,2:end-1)=A; % pre-define memor...
Neighbors of a pixel
Let A be your matrix. % use the help of a bigger matrix B=nan(size(A)+2); B(2:end-1,2:end-1)=A; % pre-define memor...
8 years 前 | 3
| 已接受
已回答
How to view Matlab standalone application errors?
Some thoughts: - use the MATLAB var "isdeployed" to insert some debug infos for deployed applications that do not bother you ...
How to view Matlab standalone application errors?
Some thoughts: - use the MATLAB var "isdeployed" to insert some debug infos for deployed applications that do not bother you ...
8 years 前 | 0
已回答
volume or point detection in a non-convex polyhedron
The submission intriangulation may serve your needs. <https://www.mathworks.com/matlabcentral/fileexchange/43381-intriangulat...
volume or point detection in a non-convex polyhedron
The submission intriangulation may serve your needs. <https://www.mathworks.com/matlabcentral/fileexchange/43381-intriangulat...
8 years 前 | 1
已回答
Matlab GUIDE: how to deal with multiple overlapping panels
It IS possible to do it via on/off. But then you will have to place all panels above each other which makes it not so nice to e...
Matlab GUIDE: how to deal with multiple overlapping panels
It IS possible to do it via on/off. But then you will have to place all panels above each other which makes it not so nice to e...
8 years 前 | 0
提问
Why is the rectangle command so much slower on the new graphics engine?
Hi folks, i am just comparing the performance in plotting a lot of filled circles via the rectangle command. My benchmark is ...
8 years 前 | 1 个回答 | 0
1
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Determining toolbox dependency of a series of scripts
Jakob, i am also struggling with that functionality. The short answer is: There is no functional command in Matlab that wi...
Determining toolbox dependency of a series of scripts
Jakob, i am also struggling with that functionality. The short answer is: There is no functional command in Matlab that wi...
9 years 前 | 1
提问
Alphashape calculated with points and triangles
Hi there, another alphaShape related question: If i do not only have a point cloud, but if i also have some triangulation of ...
9 years 前 | 0 个回答 | 0
0
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Find midpoints of alphashape's defining spheres
Hi there, if i compute a 3d-alphashape on a pointcloud...is it possible to find the midpoints of those spheres, which are def...
9 years 前 | 1 个回答 | 0
1
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Screen is flickering at Matlab startup for 2014b
Dear all, i had a change of my computing device three weeks ago and i was and am using Matlab R2014b on the new and old machi...
10 years 前 | 2 个回答 | 0
2
个回答提问
Output of REAL filled circle from figure
Dear all, my question refers to Matlab R2014b. (1) I want to plot a number of filled circles with varying diameters into ...
10 years 前 | 0 个回答 | 0
0
个回答已回答
What handle graphics objects have an empty 'Children' property in MATLAB R2014b?
And how to make filled contours semi-transparent? Contour object can either be filled or not, but there is no such thing as Face...
What handle graphics objects have an empty 'Children' property in MATLAB R2014b?
And how to make filled contours semi-transparent? Contour object can either be filled or not, but there is no such thing as Face...
10 years 前 | 2
提问
R2014b: How to make the filled areas in contourf semi-transparent?
(At least) in Release 2014b, the contourf - command returns a Contour object, which may be filled or not, but there is no such t...
10 years 前 | 1 个回答 | 0
1
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Integrate angular velocity for Newton/Euler equations for single body under force load
Hi folks, i have the following task to solve: i want to calculate the point reaction forces of a body under arbitrary load of so...
10 years 前 | 0 个回答 | 0
0
个回答已回答
How to plot in GUI from obtained values?
Use the handles structure and the built-in function guidata: function xls_read_button_Callback(hObject, eventdata, ...
How to plot in GUI from obtained values?
Use the handles structure and the built-in function guidata: function xls_read_button_Callback(hObject, eventdata, ...
11 years 前 | 0
已回答
inpolygon equivalent function in 3D?
Try intriangulation on the FEX. Regards, Johannes
inpolygon equivalent function in 3D?
Try intriangulation on the FEX. Regards, Johannes
11 years 前 | 0
已回答
How to merge 2 different 3-D surface patch objects (Faces & Vertices) in 1 patch object with ONLY the outside surface (inside points removed)
Not an answer, but a comment. I also tried to solve this problem with several steps: 1. Determine the inside/outside poin...
How to merge 2 different 3-D surface patch objects (Faces & Vertices) in 1 patch object with ONLY the outside surface (inside points removed)
Not an answer, but a comment. I also tried to solve this problem with several steps: 1. Determine the inside/outside poin...
11 years 前 | 0
已回答
Determining if a point is inside an triangulated 3D closed surface
Use intriangulation from the FEX. Regards, Johannes
Determining if a point is inside an triangulated 3D closed surface
Use intriangulation from the FEX. Regards, Johannes
11 years 前 | 2
| 已接受
已回答
How to find elements of a 3d matrix inside a volume
If your volume is tesselated with triangles and watertight, you might be able to use intriangulation from the FEX. Regards, ...
How to find elements of a 3d matrix inside a volume
If your volume is tesselated with triangles and watertight, you might be able to use intriangulation from the FEX. Regards, ...
11 years 前 | 0
已回答
Whether a given point is inside or outside a non-convex 3D tessellated (triangular mesh/ STL file) object?
If the tesselated surface is watertight and consists of triangles only, you can use intriangulation from the FEX. Regards, J...
Whether a given point is inside or outside a non-convex 3D tessellated (triangular mesh/ STL file) object?
If the tesselated surface is watertight and consists of triangles only, you can use intriangulation from the FEX. Regards, J...
11 years 前 | 0
已回答
Get a smothed outer surface from a 3D set of points with points that are inside the wanted surface
Reza, you gave the answer yourself. The first step is to get rid of those points that are inside the volume. There is also a ...
Get a smothed outer surface from a 3D set of points with points that are inside the wanted surface
Reza, you gave the answer yourself. The first step is to get rid of those points that are inside the volume. There is also a ...
11 years 前 | 0
提问
Find out OS language via datestr command?
Hi folks, i wonder if the datestr command can help finding out the operating system's basic language. I can only test the ...
11 years 前 | 3 个回答 | 1