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An asteroid and a spacecraft
&#128640 Imagine a non-relativistic simple situation. Assume positions p0, p1, p2, and p3 are three dimensional Cartesian ...

ongeveer 4 jaar ago

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5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

ongeveer 4 jaar ago

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Alignment of textarrow text with line
How would I get the text from a textarrow annotation to align with the start of a line. I am unclear how to control the textbox ...

ongeveer 4 jaar ago | 1 answer | 0

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Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

ongeveer 4 jaar ago

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"Cody" * 5 == "CodyCodyCodyCodyCody"
*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

ongeveer 4 jaar ago

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The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

ongeveer 4 jaar ago

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uicontrol vs annotation render order
I was hoping to get uicontrols rendered below annotations. The order of creation of a uicontrol vs an annotation does not seem t...

ongeveer 4 jaar ago | 1 answer | 0

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Question

I'm manually showing a uicontextmenu in response to a button press: %In the button press callback ... p = getpixelpositi...

ongeveer 4 jaar ago | 0 answers | 0

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How do I plot a function which depends on a changing variable?
You could use something like animatedline if you want to calculate a single point and add it to a graph. If you want to use a lo...

ongeveer 4 jaar ago | 0

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xlim listener for zoom reset and linkaxes strange behavior
It turns out that there is a lot of publicly readable code behind linkaxes, or really, linkprop. After some debugging I discover...

ongeveer 4 jaar ago | 3

| accepted

queue addlistener events or place event on EDT
Here's one (ugly) solution. This setup function does the following: # Sets up listeners that I care about. # Attaches a J...

ongeveer 4 jaar ago | 0

Question

xlim listener for zoom reset and linkaxes strange behavior
I've attached a 'XLim' listener to an axes object. I had been previously using a timer due to issues with catching the events...

ongeveer 4 jaar ago | 2 answers | 2

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Question

queue addlistener events or place event on EDT
Every time the xlim changes I want to run some code. plot(1:100) L = addlistener(gca, 'XLim', 'PostSet', @my_callback);...

ongeveer 4 jaar ago | 2 answers | 0

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Question

read raw data using daq toolbox
It appears that with the old acquisition toolbox it was possible to read raw data from a NI DAQ using daqread(). Is it possible ...

ongeveer 4 jaar ago | 1 answer | 0

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Question

Why define class methods that have attributes in the classdef block?
Hi all, I was wondering if anyone knew why you needed to declare the signature of methods with attributes inside the classdef...

ongeveer 4 jaar ago | 0 answers | 1

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Question

Get index of selected button in button toggle group
When using a ButtonGroup in AppDesigner it is not clear how to get the index of the selected button. The only available approach...

ongeveer 4 jaar ago | 2 answers | 0

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Question

Get selection index for DropDown object using AppDesigner
Using AppDesigner, how do I access the selected index of a DropDown menu. The Value is the selected string but I can't find anyw...

ongeveer 4 jaar ago | 1 answer | 2

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Question

scrolling plot speed and axis jitter
I'd like to create auto-scrolling plots in which data scrolls by, automatically, as it gets collected (from a DAQ). Before worry...

ongeveer 4 jaar ago | 1 answer | 1

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Question

Working with large amounts of DAQ data - lessons learned?
I'm starting a project in which I'll be sampling at close to the maximum sampling rate of the NI-DAQ that I'm using (250 kS/s). ...

ongeveer 4 jaar ago | 0 answers | 1

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Question

What are the internal differences between Matlab strings and character arrays?
Matlab strings were introduced in 2016b presumably to make working with a string more similar to other languages, as compared to...

meer dan 4 jaar ago | 4 answers | 5

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Question

When running a GUI that has a timer callback, I notice that loading other GUI figures often fails (incorrect rendering). Is this...

meer dan 4 jaar ago | 1 answer | 0

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Question

Best practices for mex coding
Hi all, As I'm starting to include mex code in my code library I find myself unaware of what some best practices may be when ...

meer dan 4 jaar ago | 1 answer | 5

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Question

order of variable deletion and creation
Is the order in which the left hand side is deleted and the right hand side executed defined? i.e. output = createNewOut...

meer dan 4 jaar ago | 3 answers | 0

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Question

editor occasionally unresponsive on macbook
I'm on a new macbook running 10.12.3 and occasionally, typically when opening the laptop, the editor is unresponsive to mouse cl...

bijna 5 jaar ago | 2 answers | 0

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Question

Unable to clear mex file
I'm compiling a mex file and then moving it up a directory so that it is in the Matlab path. The movefile command fails with the...

bijna 5 jaar ago | 1 answer | 1

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Get next plot color
In newer versions of Matlab the state is stored in the axes as 'ColorOrderIndex'. In 2016b, this wraps, and you can get values f...

ongeveer 5 jaar ago | 1

Why is it sometimes impossible to save the pathdef in 2014a?
A colleague of mine was having this issue. I was going to suggest to them that they edit their startup.m file to add all the pat...

ongeveer 5 jaar ago | 3

Get a subset of a structure array in mex
This is the code I ended up using. At the end of the day I essentially wanted to have an object "template" (i.e. field names def...

ongeveer 5 jaar ago | 0

| accepted

Question

Get a subset of a structure array in mex
Is it possible to get a subset of a structure array in mex? In other words, the mex equivalent of the following in Matlab: ...

ongeveer 5 jaar ago | 3 answers | 0

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Question

mxCreateStructArray and mxCreateStructMatrix field name memory management
I've been trying to find documentation on how the field names are managed with the structure creating functions in mex. Are the ...

ongeveer 5 jaar ago | 1 answer | 0