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Benjamin Kraus

Last seen: 3 jours ago Active since 2013

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Answered
histogram2 images not properly saved in vector format
I was able to get a vector export using exportgraphics and forcing it to export in vector mode: histogram2(randn(1000,1), randn...

13 jours ago | 1

| accepted

Answered
Table values extraction and consequent calculation
Would a for loop do what you need? Something like this: h = height(Test_1_cycling); n = ceil(h/39); A_loop = NaN(n,1); for i...

13 jours ago | 0

| accepted

Answered
help plot of function using handle
An alternative approach: Use fplot. b1 = 1; b2 = 2; b3 = 3; b4 = 4; G =@(k) -2*k.^2 + b1 + sqrt( (-4*k.^4 - b2*k.^2 + sqrt(...

24 jours ago | 0

Answered
Calling appdesigner within a function leads to unrecognized function or variable
There is no straightforward way to assign outputs from an App Designer app. I found a few other discussions on this topic on MAT...

27 jours ago | 0

Answered
How to save the input received using Table in Matlab GUI?
As you are setting the Data property on the uitable using a MATLAB table, saving the resulting data to an Excel spreadsheet shou...

environ 2 mois ago | 0

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Answered
How to run a routine sequence in app designer app?
You can use a timer to run a callback function at a periodic interval.

environ 2 mois ago | 1

Answered
I am trying to detect if a GUI created from AppDesigner is open
You said: "My take was to set up a wait loop checking that the GUI is still open and when its closed the loop will continue. Is ...

environ 2 mois ago | 0

Answered
How To Get Data From ValueChangedFcn in an Uidatepicker?
When you create a uidatepicker the object is created immediately, and the next line of code continues to run. It does not wait f...

environ 2 mois ago | 0

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Answered
Data tip when using two y-Axes
You can add anything you want to the data tips by modifying the DataTipTemplate. It is a bit tricky to do with images, because ...

environ 2 mois ago | 0

| accepted

Answered
Plot two x-axis in a graph with Time(calendar month/year) on axis and Hour on another x-axis
I'm having some trouble interpretting your data. I'm not sure I understood completely how the dates align with the times. For e...

3 mois ago | 0

| accepted

Answered
Use timetable as x axis in heatmap
In this case, you may be better off with something like imagesc or surf instead of heatmap. heatmap is designed for cases in whi...

3 mois ago | 0

Answered
Automatic creation of empty file
I've made this mistake many times. Fortunately, the fix is easy. 1. Press the "Preferences" button in the "Environment" section...

3 mois ago | 2

Answered
Making a Surface plot transparent
Your surface plots are each roughly 7500x7500 faces, and most (all) monitors have a resolution that is much lower than that. Thi...

3 mois ago | 0

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Answered
How to correct the invalid expression error when i have the correct delimiters and multiplication operator?
This is an invalid MATLAB expression: (t>=0)f(t<1) Specifically, this is invalid: (t>=0)f It is unclear what you intend for ...

3 mois ago | 0

Answered
Why am i getting "Undefined function 'eq' for input arguments of type 'cell'." error?
Are you trying to check the currently selected value, or the list of available values? The ItemsData stores the list of availabl...

3 mois ago | 0

| accepted

Answered
How do I make an app that opens another app that displays the current date and time
When you say "app", are you talking about App Designer? Regardless, most apps (either programmatic or created with App Designer...

3 mois ago | 0

Answered
Determine the (pixel) width of a string
The only way I know of to do that in MATLAB is using the Extent property on text objects. The third element is the width, the fo...

4 mois ago | 0

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Answered
name value pairs with variable input arguments
The problem is: ~ischar(varargin(1:2:nargin)) The varargin input will always be a cell-array, so this condition will never be ...

4 mois ago | 0

Answered
How to create a %of time vs %of area plot
There are a lot of missing details from your question that would need to be filled-in before someone can provide a good answer. ...

4 mois ago | 0

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Answered
Make a 3D plot over a circle
There are tons of options for doing this in MATLAB. Here are a few: % First define some constants and your input data (as I und...

4 mois ago | 1

| accepted

Answered
Break while loop app designer
Consider this example (you should be able to use this same pattern within App Designer with only a little tweaking): function s...

5 mois ago | 0

Answered
TabGroup: How to execute code before selection changed?
I'm curious, why do you need the code to run before switching tabs? I don't believe this is possible without basically implemen...

5 mois ago | 0

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Answered
Workflow Matlab with Git
Welcome to the world of version control. Git is an amazing and powerful tool, but it can take some getting used to. I would sug...

5 mois ago | 1

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Answered
Brushing when plotting a 2D Matrix with linkdata: brushes whole row of matrix instead of single data points.
The reason for the behavior you are seeing is because when you enable data linking (via linkdata) and then select data points, y...

5 mois ago | 0

Answered
i have a loop that generates an image everytime how can I save the figures?
I can't see any obvious bugs in your code. As written, it should save a copy of all figures that you opened in your loop. Are yo...

5 mois ago | 1

Answered
Issues with CurrentPoint in R2021b
We've seen issues in the past with CurrentPoint being slightly off, and we are investigating them. Can you provide a little more...

5 mois ago | 1

Answered
calling subfunctions with handle
You can call a function from a function handle by appending parentheses to the end of the variable name, even if there are no in...

5 mois ago | 1

Answered
Generate an indexed image
Are you trying to create an indexed image in MATLAB? Or are you asking what programs (aside from MATLAB) can be used to create i...

6 mois ago | 0

Answered
Can I index a matrix on the same line it's created?
When I first read your question, I assumed this was not an acceptable answer: clc, clear all; coordinates = [6,2;-4,8;-5,-1;3,-...

6 mois ago | 1

| accepted

Answered
Wait until user press return key to continue script
Another option is to use waitfor along with a WindowKeyPressFcn. x = rand(1,41); y = 1:41; H(1)= plot(x,y,'r.'); H(2)= line(...

6 mois ago | 1

| accepted

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