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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...

2 years ago

Question


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...

2 years ago | 1 answer | 0

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Question


uicontextmenu not rendering reliably
I'm manually showing a uicontextmenu in response to a button press: %In the button press callback ... p = getpixelpositi...

2 years ago | 0 answers | 0

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Answered
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...

2 years ago | 0

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Answered
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...

2 years ago | 1

| accepted

Answered
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...

2 years 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...

2 years ago | 1 answer | 1

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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);...

2 years ago | 2 answers | 0

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answers

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 ...

2 years 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...

2 years 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...

2 years ago | 2 answers | 0

2

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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...

2 years 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...

2 years 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). ...

2 years ago | 0 answers | 1

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Submitted


ADInstruments (LabChart) SDK
Read LabChart .adicht files with Matlab

2 years ago | 22 downloads |

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...

2 years ago | 4 answers | 4

4

answers

Question


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

2 years ago | 1 answer | 0

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answer

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 ...

2 years 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...

2 years ago | 3 answers | 0

3

answers

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...

2 years ago | 2 answers | 0

2

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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...

2 years ago | 1 answer | 0

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Answered
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...

2 years ago | 1

Answered
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...

2 years ago | 3

Answered
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...

2 years ago | 0

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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: ...

3 years 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 ...

3 years ago | 1 answer | 0

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Question


mexPrintf to standard error
Is it possible to direct the output of mexPrintf to standard error? I'd like something like in Matlab where you can do fprintf(2...

3 years ago | 1 answer | 0

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Answered
Fill out zeros/NaN in array with next value
I'm not entirely sure how you are generating the output, but you should be able to do something like: I = find(isnan(data))...

3 years ago | 0

Answered
cputime not working as expected
cputime measures the # of clock cycles (summed across all threads) that the Matlab process has used since Matlab started. Units ...

3 years ago | 1

| accepted

Question


cputime not working as expected
It seems like cputime does not work as advertised on Mac OSX 10.11.6 and Matlab 2016b or Windows 7 Matlab 2016a. cputime should ...

3 years ago | 2 answers | 0

2

answers

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