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David Szwer


Last seen: Today |  Con actividad desde 2016

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Respondida
Creating a single .mat file by combining several .mat files
This can be done with structures. Here's a demonstration - only the middle cell is the code you actually need. %% Set up the d...

11 meses hace | 0

| aceptada

Respondida
How can i plot the YCbCr histograms with the correct colour points (0-255)
You would want to change the CData property of the histograms, which would let you set the colour of each individual bar. Howev...

alrededor de 1 año hace | 0

Respondida
Property validation against another property
I don't think this is possible using a validation function. The help page says, "Additional arguments must be literal values an...

alrededor de 1 año hace | 2

Pregunta


I don't understand busy modes of a timer object
TL;DR: What is the difference between timers using the BusyMode options drop and queue, and the ExecutionMode options fixedDelay...

alrededor de 1 año hace | 2 respuestas | 1

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Pregunta


Stopping and restarting a timer within its own callback - why does it then run the callback twice at a time, but only with fixedSpacing?
I want to start and stop a timer within the timer callback function*. I do this with code like the following script: global ti...

alrededor de 1 año hace | 1 respuesta | 0

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Respondida
How do you read a text file into a cell string?
The readcell() function might do the job. It was introduced in R2019a. Data = readcell(FileName, Delimiter = "") It automatic...

más de 2 años hace | 0

Pregunta


How can I include the "blue dot" when taking pictures of an app for a test report.
The App Testing Framework allows Matlab to "press" GUI buttons to test that they have the right effect, and it provides a help...

más de 2 años hace | 0 respuestas | 0

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Pregunta


How can I restrict a text edit field to only specific characters?
Using the App Designer in R2020b, I have a text edit field that I want to restrict to a set of specific characters. I am trying...

alrededor de 3 años hace | 1 respuesta | 0

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Can I remove axes from a tiledlayout, and have it reflow?
Suppose I create a flowing tiledlayout tiledlayout('flow') and add a few plots with nexttile() The layout automatically rear...

alrededor de 3 años hace | 1 respuesta | 0

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Can I shift the position of a tile in tiledlayout to be skewed?
The solution is to set up tiledlayout with double the number of rows and columns you need, and create each axes as a 2×2 square....

alrededor de 3 años hace | 4

Respondida
How can i save the text area characters to a text file in app designer?
Try using the writecell() function. As far as I can tell, although a TextArea's Value can be set in numerous different formats,...

alrededor de 3 años hace | 0

Pregunta


When using Optimoptions, how can I tell if an option was user-set, or a default.
I am writing a function which is effectively a wrapper for an optimization function (specifically lsqcurvefit, but it doesn't ma...

casi 7 años hace | 1 respuesta | 0

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Respondida
How can i convert my specific color detection in rgb to hsv?
There's an existing pair of functions <https://uk.mathworks.com/help/matlab/ref/hsv2rgb.html hsv2rgb>, and <https://uk.mathworks...

casi 7 años hace | 0

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Pregunta


Poisson confidence interval - why limit it to < 100 counts?
In the statistics toolbox, we use the function poissfit to calculate the parameter lambda (=mean =variance) of poisson-distribut...

casi 8 años hace | 0 respuestas | 0

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