Jim Hokanson

Duke University

Last seen: 1 jour ago | Active since 2009

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JimHokanson/plotBig_Matlab
Plots large amounts of line data fast. Supports x as datetime and duration arrays. Also supports timetables. Supports NaNs in da...

3 mois ago | 7 downloads |

Submitted

TDMS Reader
Read TDMS files v1 & v2 without DLL

environ un an ago | 224 downloads |

Answered
keep focus in command window
You could also create a function that does what you want. In response to Walter's answer, I don't want to always work at avoidin...

plus d'un an ago | 0

Answered
How to remove single quotes around the string
Since I stumbled across this when looking at ways of copying variables, specifically cell arrays of strings, from Matlab into Ex...

plus d'un an ago | 1

Answered
Hide/Disable 'File' menu in Matlab figure window
Here's what I needed: h = findall(gcf, 'Tag', 'figMenuFile') set(h,'visible','off') All the other menus appear to be tagged i...

plus d'un an ago | 0

Submitted

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

environ 2 ans ago | 14 downloads |

Answered
Error in fmincon: undefined getIpOptions
I had this problem and just reinstalled the optimizaton toolbox ...

environ 2 ans ago | 3

Question

waiting for current folder viewer to expand
I'm writing some code to expand the current folder viewer and I've found that expanding the folders, equivalent to clicking on t...

plus de 2 ans ago | 0 answers | 0

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answers

Answered
function signature for package function
So apparently there were two issues. First, these json files must be placed in the same folder that gets added to the path. So...

presque 3 ans ago | 0

| accepted

Question

function signature for package function
Well I just hit "cancel" instead of "submit" so here's a short version :/ I can't get functionSignatures.json to work for the f...

presque 3 ans ago | 1 answer | 0

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answer

Solved

Array GCD
* Find Greatest Common Divisor in a given array * Function Template: function ans = arraygcd(a) % a=[45 15 200 ...

environ 3 ans ago

Question

trouble reading ordinal categorical variable with missing value using readtable
I am trying to read an Excel file that has an empty cell for a categorical ordered column. For example something like {0 5 [] 3 ...

environ 3 ans ago | 1 answer | 0

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answer

Answered
Refresh legend from the command line
I've found hiding and showing the legend works. ax = gca; %might be different ... legend(ax,'hide'); legend(ax,'show');

environ 3 ans ago | 0

Question

error removing subplot listeners manager
After plotting some subplots I start to move around the axes (change position values). Normally this works fine but I'm running ...

environ 3 ans ago | 0 answers | 0

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answers

Question

getpixelposition vs OuterPosition of figure
I'm getting different values from getpixelposition and the OuterPosition of the figure ... get(gcf,'OuterPosition') ans = ...

environ 3 ans ago | 2 answers | 0

2

answers

Question

thread safety of mx mex functions
Although I'm aware that mx mex functions are generally considered not to be thread safe, it is unclear to me if this applies to ...

plus de 3 ans ago | 1 answer | 0

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answer

Answered
Deploying a standalone application to computer with no install privileges
I ended up switching to Octave for this project. Octave can be run without installation. The zip download is about 400 MB which ...

plus de 3 ans ago | 1

Question

Deploying a standalone application to computer with no install privileges
I wrote a simple GUI which I was planning on placing in a standalone application to be run on a computer without Matlab. I inclu...

plus de 3 ans ago | 2 answers | 0

2

answers

Answered
Best way to locate shared (.dylib) libraries used by MATLAB mex files on MacOS X
I've had some luck with the following command in the same directory as my mex file. install_name_tool -change /Users/jim/...

presque 4 ans ago | 2

Answered
queue addlistener events or place event on EDT
I found a different solution which appears to work nicely: <https://undocumentedmatlab.com/blog/matlab-and-the-event-dispatch-t...

presque 4 ans ago | 0

| accepted

Question

Get start time of a daq session
I'm wondering if it is possible to get the time at which the DAQ starts so that I can keep track of other code events, relative ...

environ 4 ans ago | 1 answer | 0

1

answer

Answered
is it possible to retrieve command window output of parallel worker
Presumably you could use this when run in the worker ... <https://www.mathworks.com/matlabcentral/fileexchange/31438-command-wi...

environ 4 ans ago | 0

Answered
Error is a warning in parfeval function
So, it appears the issue was not with the worker but in the client. After some debugging I tried this instead: function han...

environ 4 ans ago | 1

Question

Error is a warning in parfeval function
I have the following (pseudo) code and I'm getting the following warning in my command window (2017b Windows). function par...

environ 4 ans ago | 1 answer | 1

1

answer

Question

is it possible to retrieve command window output of parallel worker
Is it possible to retrieve the command window output from a worker when using parfeval? Specifically I'd like to catch listener ...

environ 4 ans ago | 2 answers | 0

2

answers

Question

Data transfer specifics for a queue
Documentation for parallel.pool.DataQueue and parallel.pool.PollableDataQueue says next to nothing about how data is transferred...

environ 4 ans ago | 1 answer | 1

1

answer

Question

What is the difference between DataQueue and PollableDataQueue
What is the difference between parallel.pool.DataQueue and parallel.pool.PollableDataQueue. It seems the pollable queue is the s...

environ 4 ans ago | 1 answer | 0

1

answer

Answered
Retrieve meta.DynamicProperty from class instance
After a bit more searching it appears you need to do: prop_meta = findprop(obj,prop_name); Found at: <https://stackov...

environ 4 ans ago | 0

Question

Retrieve meta.DynamicProperty from class instance
Is it possible to retrieve meta.DynamicProperty for dynamic properties from a class instance?

environ 4 ans ago | 1 answer | 0

1

answer

Question

is it possible to measure the time it takes to render a figure
I would like to log the time it takes to render a figure. Is there a way to listen for the "start" and "end" of rendering a figu...

environ 4 ans ago | 2 answers | 0

2

answers

Jim Hokanson

Duke University

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