Weia Reinboud
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Retired, interest in mathematical cartography and biomechanics
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Accept 5 answers given by other contributors
Awarded to Weia Reinboud on 20 Jul 2020
Answer 1 question that was unanswered for more than 30 days
Awarded to Weia Reinboud on 31 Aug 2018
Feeds
image read and write problem
It works! (I don't see in the above where this same conversion is given.)
más de 4 años hace | 0
image read and write problem
Problems are not yet over. I have written a Matlab programm which imread a tif, manipulates all pixels and makes an array 'cupol...
más de 4 años hace | 0
image read and write problem
Thanks all! Things remain single when change of numbers is done within Matlab. And that's all I need. I did a test with changi...
más de 4 años hace | 0
Pregunta
image read and write problem
Sometimes imwrite and imread work OK, but often not. In that case in stead of numbers between 0 and 255 (RGB tif file) all n...
más de 4 años hace | 1 respuesta | 0
1
respuestaProperties of a video
I want to set the gridlines of a grid. Mathlab chooses 'nice' limits, but I want to do it myself. I cannot find where. Documenta...
casi 6 años hace | 0
Pregunta
Properties of a video
See attached picture. Several issues. 1:The video is OK but as you see numbers along the axes are not included. How to fix that...
casi 6 años hace | 3 respuestas | 0
3
respuestasPregunta
How does getframe work?
New project, new things to learn in Matlab, new problems. My previous (and first) project in Matlab led to an article which is i...
casi 6 años hace | 1 respuesta | 0
1
respuesta3D visibility in plot3
I found a way to circumvent the problems and to make a good enough illustration for my article. Thanks all!
alrededor de 6 años hace | 0
Pregunta
3D visibility in plot3
Functions like mesh show only visible parts of a 3D figure, hiding parts around the corner. I have [x,y,z]-coordinates of a set ...
más de 6 años hace | 1 respuesta | 0
1
respuestaTaylor expansion with 2 variables
I overlooked 'syms'. So it works now. But now I have a new problem, the expansion is over 25000 signs long, too long for the com...
más de 6 años hace | 0
Pregunta
Taylor expansion with 2 variables
I have a long function and want to know its Taylor expansion, but it's a function with 2 variables f(g,h). I expect a summation ...
más de 6 años hace | 2 respuestas | 0
2
respuestasPregunta
highlighting point in 3D-graph
In a 3D-graph made with surf I like to highlight one point on the shown surface. I know (x,y,z) of that point, but that isn't a ...
casi 7 años hace | 0 respuestas | 0
0
respuestasexport of scatter3 is rough
Using 'print' in the command window leads to disappearance of all my complaints. So: thanks! Strange that 'save as' in the p...
casi 7 años hace | 0
Pregunta
export of scatter3 is rough
Figures of plot and scatter3 look very different. I get very fine figures in a programm using plot, getting the best version via...
alrededor de 7 años hace | 2 respuestas | 0
2
respuestascolouring dots in scatter3 according z-value
Excellent, it works! It does not look as code I could ever having been able to find by myself. Thank you very much.
alrededor de 7 años hace | 0
colouring dots in scatter3 according z-value
Yes I'd read that. But that means every dot has that color C, not that colors vary by the value of z. Or am I wrong?
alrededor de 7 años hace | 2
Pregunta
colouring dots in scatter3 according z-value
plot3 gives colours according to height above the xy-plane. Is that possible with scatter3 too?
alrededor de 7 años hace | 3 respuestas | 0
3
respuestasPregunta
I need a world coastlines database as text, how to make that out of the mapping module?
I have had one long ago, on an Atari! But lost it. It may be small, it is for a world map on A4 paper. I just need longitudes an...
casi 8 años hace | 1 respuesta | 0
1
respuestaPregunta
Use of own projection in mapping toolbox
The mapping toolbox contains many interesting features, but can they be used with other map projections? My research leads to a ...
más de 8 años hace | 0 respuestas | 0
0
respuestasPregunta
MIxed format in output, how to do that?
I have a big matrix and for my convenience I'ld like to see the columns formatted differently. Is that possible? First column as...
más de 8 años hace | 0 respuestas | 0
0
respuestasPregunta
Writing a variable and reading it elsewhere, how to do that?
After running a programm I have a the end a set of coordinates like Z=[0.4, 0.9; 1.3, 1.4; 2.0, 2.2] I like to use Z in another ...
más de 8 años hace | 1 respuesta | 0
1
respuesta
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