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Weia Reinboud


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Last seen: 2年以上 前 |  2016 年からアクティブ

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Retired, interest in mathematical cartography and biomechanics

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

4年以上 前 | 0

回答済み
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...

4年以上 前 | 0

回答済み
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...

4年以上 前 | 0

質問


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...

4年以上 前 | 1 件の回答 | 0

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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...

6年弱 前 | 0

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Properties of a video
Clear, thanks.

6年弱 前 | 0

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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...

6年弱 前 | 3 件の回答 | 0

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質問


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...

6年弱 前 | 1 件の回答 | 0

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

約6年 前 | 0

質問


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 ...

6年以上 前 | 1 件の回答 | 0

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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...

6年以上 前 | 0

質問


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 ...

6年以上 前 | 2 件の回答 | 0

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質問


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 ...

7年弱 前 | 0 件の回答 | 0

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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...

7年弱 前 | 0

質問


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...

約7年 前 | 2 件の回答 | 0

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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.

約7年 前 | 0

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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?

約7年 前 | 2

質問


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

約7年 前 | 3 件の回答 | 0

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質問


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...

8年弱 前 | 1 件の回答 | 0

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質問


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 ...

8年以上 前 | 0 件の回答 | 0

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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...

8年以上 前 | 0 件の回答 | 0

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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 ...

8年以上 前 | 1 件の回答 | 0

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