Kurt
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Accept 5 answers given by other contributors
Awarded to Kurt on 08 Dec 2022
Feeds
propagateOrbit function hangs for no obvious reason
This is an interim solution until Mathworks modifies the propagateOrbit function. This is based on the code previously mentioned...
circa 2 mesi fa | 0
Domanda
propagateOrbit function hangs for no obvious reason
When the propagateOrbit function is fed certain TLEs, it simply stalls instead of throwing an exception. Since the propagateOrb...
circa 2 mesi fa | 1 risposta | 0
1
rispostaHow to propagate orbits on a non-rotating axesm globe
SOLUTION: In order to convert a TLE set to ephemeris data, you must first read a TLE file and perform several coordinate transf...
circa 2 mesi fa | 0
Domanda
How to propagate orbits on a non-rotating axesm globe
I used as my foundation the example found here: https://www.mathworks.com/help/map/plotting-a-3-d-dome-as-a-mesh-over-a-globe.h...
3 mesi fa | 1 risposta | 0
1
rispostaDomanda
How do I align two 3D curves that are displaced in time?
I have two 3D curves (trajectories) that are nearly identical. One curve is a subset of the other, that is, its end point coordi...
4 mesi fa | 0 risposte | 0
0
risposteDomanda
How do you convert a surf object to an isosurface?
How to convert a regular surf surface (rectangular mesh) to a patch isosurface (triangular mesh)? I have seen how to go the o...
7 mesi fa | 1 risposta | 0
1
rispostaDomanda
Matlab function gui_mainfcn.m crashes on feval
I am trying to work with the GRIB1 file reader found at this address: https://www.mathworks.com/matlabcentral/fileexchange/5370...
8 mesi fa | 1 risposta | 0
1
rispostaDomanda
How to incorporate axesm-based maps in an app
I am interested in creating axesm-based maps: h = axesm('MapProjection','mercator') However, there appears to be no way to tie...
11 mesi fa | 1 risposta | 0
1
rispostaHow to overlay a UIAxes surface on a UIFigure 3D image
It appears you can't get there from here usining geo data. I found another solution using a mesh: https://www.mathworks.com/mat...
12 mesi fa | 0
Domanda
Plot 3D Dome - no topo60c file available
I am using the example of how to plot a dome as a mesh over a globe, found here: https://www.mathworks.com/help/map/plotting-a-...
12 mesi fa | 1 risposta | 0
1
rispostaDomanda
How to overlay a UIAxes surface on a UIFigure 3D image
I have two components, a UIFigure globe and a UIAxes hemisphere created with surf(). I want to overlay the surf object on the gl...
12 mesi fa | 1 risposta | 0
1
rispostaDomanda
Upper limit on the number of UIAxes children allowed
I am plotting orbital data, using plot3 to progressively lengthen the orbital track of a spacecraft. plot3(earthMoon.UIAxes, x...
circa un anno fa | 2 risposte | 0
2
risposteDomanda
How to draw 2d compass in 3d UIAxes
Is it possible to use the compass() function to draw a compass rose in a UIAxes object? I don't care about the function depicted...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
angle2dcm: How to reference direction cosine matrix output?
I have seen lots of discussion on how to call angle2dcm, but almost none on how to use it to transform the coordinates of an obj...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
App Designer: How to add components that are not listed in the library
The App Designer Component Library contains a limited number of components to drag and drop. There are many more components and ...
oltre un anno fa | 1 risposta | 0
1
rispostaMatlab return C call by reference
The solution was to first load my Dynamic Link Libraries (DLLs). Then the Matlab calls to my library functions look like this:...
oltre un anno fa | 0
| accettato
Domanda
Matlab return C call by reference
I am using a compiled C DLL library to compute various astronomical functions, for example time since epoch and ra/dec to az/el ...
oltre un anno fa | 1 risposta | 0
1
rispostaCall parfeval using global variables?
Using a combination of spmd and spmdIndex (NOT labIndex, which is obsolete), I was able to achieve what I wanted: setting the DO...
quasi 2 anni fa | 0
| accettato
Domanda
Call parfeval using global variables?
I am using parfeval() to do multithread logic. I have 16 cores. The documention mentions listing the calling parameters as argum...
quasi 2 anni fa | 2 risposte | 0
2
risposteClick on row in TextArea?
The "compose" approach reduced the formatting from about 7 minutess to 10 seconds. Thanks! I solved the TextArea size issue by ...
quasi 2 anni fa | 0
| accettato
Domanda
Click on row in TextArea?
I have a GUI that contains a TextArea. I read in a file that is 20,000 x 16 and convert each row to a string, so the resulting t...
quasi 2 anni fa | 2 risposte | 0
2
risposteDomanda
How to draw lines in UIFigure designed in App Designer that contains an image
I have seen many examples of how to draw a line in a plot; however, I am working with an App Designer object-oriented UIFigure. ...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Observation: sortrows() blows up when attempting to sort empty cells
This is more of an observation than a question, but it took me two days to figure it out. I am pre-allocating space for an arra...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How to do math using datetime objects including years
I want to compute the number of days, minutes and seconds since January 1st, 2000 (Julian days) up to a specific date such as Ju...
quasi 2 anni fa | 3 risposte | 0
3
risposteDomanda
How to initialize a table column to a character array?
I have a table "filetext" which is 19343x46. I want to append a colum on the right containing the character array 'MET'. In othe...
quasi 2 anni fa | 1 risposta | 0
1
rispostaGUI loses state when destroyed and recreated
Found the solution. Change the GUI callback function to read as follows: function GUIButtonGroupSelectionChanged(app, event) % ...
circa 2 anni fa | 0
Domanda
GUI loses state when destroyed and recreated
This USED to work several days ago, but somehow I broke it. I have a GUI which I created in App Designer. The GUI is called fro...
circa 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How to convert datetime to datestr including day of year
I can convert a date string to a datetime object using datetime(), and convert that object back to a string using datestr(). How...
circa 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How do I add a draw rectangle function to an image app?
I used App Designer to create a frame containing an image. Now I want to draw a rectangle inside that image. None of the example...
circa 2 anni fa | 1 risposta | 0
1
rispostaHow do I use uiopen in a class method?
Solution found: I needed a callback function.
circa 2 anni fa | 0
| accettato
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