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Michael Van de Graaff


Last seen: mehr als ein Jahr vor Aktiv seit 2021

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  • Knowledgeable Level 2
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Beantwortet
Alternative to using Multi-level field struct
I gave it shot. n = 1000; s(n) = struct(); for ii = 1:n for jj = 1:n s(ii).a(jj) = ii;%this is just buildin...

mehr als ein Jahr vor | 1

| akzeptiert

Beantwortet
Using fminsearch in the app designer
As written, data is a 1x2 array of EditField objects. You need to get the actual number values You may want to replace the edit...

mehr als ein Jahr vor | 1

Frage


Is fit() not supposed to be used? It seems intentionally terrible.
I have been trying to use fit() to fit my data, but it seems like the documentation and functionality of it are terrible. for e...

fast 2 Jahre vor | 1 Antwort | 0

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Beantwortet
Errorbars on a select dataset
You haven't defined err, f, or g. Also, please post the FULL error message for better help this produces an errorbar plot: x ...

fast 2 Jahre vor | 0

Beantwortet
Can someone help me with this. I try my 101% but i always fail with GUI.
the code you've provided (which you should put in youre question rather than your comment/answer, you can edit the question and ...

fast 2 Jahre vor | 0

Beantwortet
Why is updating my uitable slowing down my app?
Remove styles from the table with removeStyle(table) https://www.mathworks.com/help/matlab/ref/matlab.ui.control.table.removest...

fast 2 Jahre vor | 1

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Frage


Why is updating my uitable slowing down my app?
Why does my uitable get sluggish when i'm updating it? (Solved, posted for community reference) I have an app. The app has a ...

fast 2 Jahre vor | 1 Antwort | 0

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Frage


Can the Code Profiler be used programmatically to profile an app in App Designer?
I am aware that I can open the Profiler, click 'start profiling' run my app, then stop profilling and view it. Can I initiate ...

fast 2 Jahre vor | 1 Antwort | 0

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Frage


Are recursively defined or nested anonymous functions dangerous?
I'm writing a generic fitting app for myself. My data are 2D images of atomic density distributions. They have several features ...

fast 2 Jahre vor | 1 Antwort | 0

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Frage


Extract sub array from d-dimensional array given indices for each dimension
Suppose I have a d-dimensional array A which is size d_1 by d_2 by....by d_d and for each dimension i have a index vector vd_i ...

fast 2 Jahre vor | 3 Antworten | 0

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Frage


Setfield vs dot indexing for deeply nested struct
Supose i have the following struct and an associated string: s.f1.f2.f3.f4.f5 = data; tmp_string = 's.f1.f2.f3.f4.f5'; So, j...

fast 2 Jahre vor | 1 Antwort | 0

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Antwort

Beantwortet
Modify elements in arrays stored in cells at specified rows/columns
I modified X to make it a bit clearer where each element is going, but I believe this does what you want: X = { [1,0.1], [2,0.2...

etwa 2 Jahre vor | 0

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Frage


Applying whos to each field of a struct
I wrote a function to apply the whos function to a struct and all of its fields recurvsively, and I have a strong but inarticula...

etwa 2 Jahre vor | 2 Antworten | 0

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Frage


What is the difference between strjoin and join?
The Documentation says "The join function is recommended to join elements of a string array." Why is this?

etwa 2 Jahre vor | 1 Antwort | 0

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Frage


Possible to omit automatically generated/greyed out code in app designer from ctrl-F results?
When using the app designer, I often use ctrl-F to find text. Often, a large number of results from component creation, properti...

etwa 2 Jahre vor | 1 Antwort | 0

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Beantwortet
MATLAB app designer, how to update value of a property in declared callback function
I put the following in a comment, and OP says it worked, so i'm copying this into an answer in the hopes that it can be accepted...

etwa 2 Jahre vor | 0

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Beantwortet
Is it possible to process the sparse matrix faster with vectorization instead of for loop?
So you're not gonna have enough memory, so that's gonna be a big problem. (actually, my computer did 12000 points in about 3 se...

etwa 2 Jahre vor | 0

Beantwortet
Matlab App Designer does not respond after running for ~15min
You have an fopen but no fclose. that's generally not a great idea in my experience Is fopen even supposed to be used in this c...

etwa 2 Jahre vor | 0

Beantwortet
Less Than and Less Than or Equal to Not Working Properly
So, for the part of your question "Additionally, if anyone could explain why the table is starting at -.15 even though -.2 is th...

mehr als 2 Jahre vor | 0

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Beantwortet
Attempting to plot a function with a for loop, but nothing is working.
figure(1); kilotons = 2; %i needed to add this % i always use double indices ii,jj,kk, helps avoid confusing and also is % i=...

mehr als 2 Jahre vor | 1

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Frage


Delay automatic unfolding in App Designer due to syntax errors in function definition
I have built an image fitting app that I use for my work. The app has several private functions, which I occasionally edit. Fo...

mehr als 2 Jahre vor | 1 Antwort | 0

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Beantwortet
MATLAB APP DESIGNER INPUT EDIT FIELD. PLEASE HELP!!
Does something like this do what you want? function ageoffirstpilotEditFieldValueChanged(app, event) goodage = 0; ...

fast 3 Jahre vor | 0

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Frage


Why doesn't [] ~=1 yield logical one?
I'm using matlab r2012B, because the computer is old and disconnected from internet and it runs my experiment and is not to be u...

fast 3 Jahre vor | 1 Antwort | 0

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Beantwortet
How to reverse a series of variable assignments?
I did find a quick solution. On the File Exchange Alessandro Masullo has a function which aligns a block of variable assignments...

etwa 3 Jahre vor | 0

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Frage


How to reverse a series of variable assignments?
In my code, I frequently have blocks of code of the form var1 = setting1; othervar2 = othersetting2; somevar3 = somesetting3;...

etwa 3 Jahre vor | 2 Antworten | 0

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Frage


App Designer add function confused by variable names
I've determined the problem and work around for my particular case, and wish to post it here for posterity. The problem i en...

etwa 3 Jahre vor | 1 Antwort | 2

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