Estadística
CLASIFICACIÓN
898
of 292.678
REPUTACIÓN
79
CONTRIBUCIONES
4 Preguntas
41 Respuestas
ACEPTACIÓN DE RESPUESTAS
25.0%
VOTOS RECIBIDOS
18
CLASIFICACIÓN
133 of 19.932
REPUTACIÓN
8.904
EVALUACIÓN MEDIA
4.50
CONTRIBUCIONES
17 Archivos
DESCARGAS
205
ALL TIME DESCARGAS
80207
CLASIFICACIÓN
2.374
of 147.822
CONTRIBUCIONES
3 Problemas
105 Soluciones
PUNTUACIÓN
1.190
NÚMERO DE INSIGNIAS
6
CONTRIBUCIONES
0 Publicaciones
CONTRIBUCIONES
0 Público Canales
EVALUACIÓN MEDIA
CONTRIBUCIONES
0 Temas destacados
MEDIA DE ME GUSTA
10 of your answers have been accepted
Awarded to Wolfgang Schwanghart on 21 Feb 2022
Contribute at least one answer each month for 6 consecutive months
Awarded to Wolfgang Schwanghart on 20 Jul 2017
Like a problem or solution
Awarded to Wolfgang Schwanghart on 02 Mar 2022
Obtain 50 solvers for a problem you have created
Awarded to Wolfgang Schwanghart on 30 Dec 2020
Have 3 submissions connected to GitHub
Awarded to Wolfgang Schwanghart on 10 Jan 2021
Your submissions were downloaded 250 or more times in a month
Awarded to Wolfgang Schwanghart on 01 Nov 2019
Your submission is selected as "Pick of The Week"
Awarded to Wolfgang Schwanghart on 09 Oct 2019
Publish your first review
Awarded to Wolfgang Schwanghart on 09 Oct 2019
Your submissions received 25 five star ratings
Awarded to Wolfgang Schwanghart on 09 Oct 2019
Publish your first submission
Awarded to Wolfgang Schwanghart on 09 Oct 2019
Accept 1 answer given by other contributors
Awarded to Wolfgang Schwanghart on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Wolfgang Schwanghart on 20 Jul 2017
Feeds
Pregunta
Does imread read subsets from cloud-optimized geotiffs
Hi, cloud-optimized geotiff (COG) is a format to work with spatial raster data in the cloud (https://www.cogeo.org/). I am curr...
casi 2 años hace | 1 respuesta | 0
1
respuestaPlot line with points at given distance
Since you are working with TopoToolbox, you might want to use the function getlocation. If you have a STREAMobj S, then you can ...
más de 2 años hace | 0
| aceptada
Inverse distance weighting based on direction
Hi Christian, interesting question. First of all, if you follow the IDW-approach, you might save a lot of computing time using ...
más de 2 años hace | 0
| aceptada
Pregunta
Fit Gaussian mixture model with weighted observations
Hi everyone, looking at the help of fitgmdist, I cannot see that there is the possibility to weight observations. Is there a rea...
más de 4 años hace | 3 respuestas | 0
3
respuestas2D gaussian filter with a variable sigma
Hi Chad, below is some code that does the trick using nlfilter. To be more efficient, I created a look-up table with a finite s...
más de 5 años hace | 0
What makes a Toolbox a Toolbox, and how is it recognized by Matlab?
Hi Chad, the trick is to have a Contents.m-file in the main folder of your toolbox. In TopoToolbox, the file starts with T...
casi 6 años hace | 0
Pregunta
Customized icons in workspace
Hi all, I have written a couple of MATLAB classes and, as icing on the cake, I'd like to have customized icons in the worksp...
más de 10 años hace | 0 respuestas | 1
0
respuestastotal number of elements which are not zero
Hi, what about: B = sum(Percey~=0,2); Regards, W.
alrededor de 12 años hace | 0
| aceptada
How can I perform a comparison function (of surrounding pixels) on a DEM using a starting pixel?
Hi, you might be interested in using the function ixneighbors available on the FEX which might make life a little easier for ...
alrededor de 12 años hace | 0
Connected graph given adjacency matrix
You can use the function dmperm to see if a graph consists of one or several connected components. E.g. see the example here <h...
alrededor de 12 años hace | 0
| aceptada
path elevation profile
Hi, if you have the image processing toolbox, the function improfile should do what you ask for. <http://www.mathworks.de/help/...
más de 12 años hace | 0
plotting more data from large data
Hi doc gscatter hope this helps. Regards, W.
más de 12 años hace | 0
What does +(A>0) do?
I often do this to convert a logical matrix to double. However, I just tried and realized that this is slower than A = double(A>...
casi 13 años hace | 1
error using imsubtract
Hi Megah, apparently both variables don't have the same class. Try image3 = imsubtract(im2double(image1),im2double(BWfinal)...
casi 13 años hace | 0
Calculate the indirect distance between two points
Bahare, you might find this contribution interesting: <http://www.mathworks.com/matlabcentral/fileexchange/8625-shortest-pat...
casi 13 años hace | 0
Ordered connected components
Hi Dustin, I don't have MATLAB at hand right now, so I cannot try, but I think bwboundaries should solve your problem. [...
casi 13 años hace | 0
Graph analysis question
I just tried your example. While results of a kmeans clustering don't look too promising, the function clusterdata works quite w...
casi 13 años hace | 0
Overlay digital elevation model on hillshade
Hi Ajay, you might want to check TopoToolbox, which includes such a function. <http://physiogeo.unibas.ch/topotoolbox/> ...
casi 13 años hace | 0
Count black and white pixels on a image
How about using *blockproc* to get the number of white pixels (in case you have the image processing toolbox)? A = full(spran...
alrededor de 13 años hace | 1
Pregunta
Keeping k largest values in each column of a sparse matrix
Hi everyone, I am trying to implement an algorithm that involves a pruning of a large sparse matrix. The pruning scheme shoul...
alrededor de 13 años hace | 1 respuesta | 0
1
respuestadata correction
Hi, you can identify the NaNs using the function isnan. I = isnan(dem); % where dem is the digital elevation model The inpa...
alrededor de 13 años hace | 0
Problem on fuzzy inference calculations ..
Hi, the error message says all: The first input must be a defined DOUBLE matrix Is the variable input in double format? ...
alrededor de 13 años hace | 1
| aceptada
finding neighbor of a position
Hi, you might find this function useful. <http://www.mathworks.com/matlabcentral/fileexchange/16991-neighbor-indexing> ...
alrededor de 13 años hace | 1
Connect bwlabeled components
I'd start with using the function bwlabeln to label the connected components in the 3d. This, however, requires them to never ov...
alrededor de 13 años hace | 0
straighten curved Image
This is not trivial and I think you should show what you have done so far. If you haven't really started yet, you may want to lo...
alrededor de 13 años hace | 0
correlation coefficient
Hi, doc corrcoef Best regards, W.
alrededor de 13 años hace | 1
| aceptada
how to draw a grid in MATLAB???
Hi, take a look at Steve's blog, where he describes how to generate a pixel grid. Perhaps, this is what you want. <http://...
alrededor de 13 años hace | 1
Kriging
To my knowlegde there is no comprehensive geostatistical software written in Matlab. I would always use packages such gstat or g...
alrededor de 13 años hace | 2
How to plot a 2D vector-field and exclude zero-vectors (dots) in the graph?
How about: I = ~(T(:,3)==0 & T(:,4)==0); quiver(T(I,1),T(I,2),T(I,3),T(I,4)); cheers, Wolfgang
alrededor de 13 años hace | 2
| aceptada
También puede seleccionar uno de estos países/idiomas:
América
- América Latina (Español)
- Canada (English)
- United States (English)
Europa
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)
Asia-Pacífico
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)