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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 ...

alrededor de 4 años 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...

alrededor de 4 años 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 ...

alrededor de 4 años 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...

alrededor de 4 años 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...

alrededor de 4 años 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...

alrededor de 4 años 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...

alrededor de 4 años ago | 1 answer | 0

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

alrededor de 4 años 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...

alrededor de 4 años 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...

alrededor de 4 años 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...

alrededor de 4 años ago | 0

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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...

alrededor de 4 años ago | 2 answers | 2

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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);...

alrededor de 4 años 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 ...

alrededor de 4 años 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...

alrededor de 4 años ago | 0 answers | 1

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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...

alrededor de 4 años ago | 2 answers | 0

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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...

alrededor de 4 años ago | 1 answer | 2

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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...

alrededor de 4 años ago | 1 answer | 1

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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). ...

alrededor de 4 años ago | 0 answers | 1

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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...

más de 4 años 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...

más de 4 años ago | 1 answer | 0

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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 ...

más de 4 años ago | 1 answer | 5

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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...

más de 4 años 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...

casi 5 años ago | 2 answers | 0

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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...

casi 5 años 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...

alrededor de 5 años 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...

alrededor de 5 años 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...

alrededor de 5 años ago | 0

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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: ...

alrededor de 5 años ago | 3 answers | 0