photo

Weia Reinboud


VU

Last seen: mer än 2 år ago |  Active since 2016

Followers: 0   Following: 0

Message

Retired, interest in mathematical cartography and biomechanics

Statistics

  • Thankful Level 3
  • Revival Level 1

View badges

Feeds

View by

Answered
image read and write problem
It works! (I don't see in the above where this same conversion is given.)

mer än 4 år ago | 0

Answered
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...

mer än 4 år ago | 0

Answered
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...

mer än 4 år ago | 0

Question


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...

mer än 4 år ago | 1 answer | 0

1

answer

Answered
Properties 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...

nästan 6 år ago | 0

Answered
Properties of a video
Clear, thanks.

nästan 6 år ago | 0

Question


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...

nästan 6 år ago | 3 answers | 0

3

answers

Question


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...

nästan 6 år ago | 1 answer | 0

1

answer

Answered
3D visibility in plot3
I found a way to circumvent the problems and to make a good enough illustration for my article. Thanks all!

ungefär 6 år ago | 0

Question


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 ...

mer än 6 år ago | 1 answer | 0

1

answer

Answered
Taylor 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...

mer än 6 år ago | 0

Question


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 ...

mer än 6 år ago | 2 answers | 0

2

answers

Question


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 ...

nästan 7 år ago | 0 answers | 0

0

answers

Answered
export 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...

nästan 7 år ago | 0

Question


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...

ungefär 7 år ago | 2 answers | 0

2

answers

Answered
colouring 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.

ungefär 7 år ago | 0

Answered
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?

ungefär 7 år ago | 2

Question


colouring dots in scatter3 according z-value
plot3 gives colours according to height above the xy-plane. Is that possible with scatter3 too?

ungefär 7 år ago | 3 answers | 0

3

answers

Question


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...

nästan 8 år ago | 1 answer | 0

1

answer

Question


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 ...

mer än 8 år ago | 0 answers | 0

0

answers

Question


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...

mer än 8 år ago | 0 answers | 0

0

answers

Question


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 ...

mer än 8 år ago | 1 answer | 0

1

answer