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Jim Hokanson


Duke University

Last seen: 8 days ago Active since 2009

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Solved


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

3 months ago

Solved


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

3 months ago

Solved


Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)
Given a positive integer n, determine whether n is "oddish" or "evenish" - that is, whether the sum of the digits of n is odd or...

3 months ago

Solved


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

3 months ago

Answered
How can I import python libraries inside a python script that am calling from Matlab?
Was just working on some Python/MATLAB things and saw this question. The issue is that you are making a system call that is comp...

1 year ago | 1

Question


error in prctile function?
I'm creating my own percentile function and wanted to compare it to the prctile function available in MATLAB. I am pretty sure ...

1 year ago | 1 answer | 0

1

answer

Answered
enable context menu for specific cell or item in uitable or uilistbox in matlab
Here's a solution with left click. Couldn't get right to work. More info at linked StackOverflow page above. Code copied here: ...

1 year ago | 0

| accepted

Question


enable context menu for specific cell or item in uitable or uilistbox in matlab
This is a cross posting from: https://stackoverflow.com/questions/70468931/enable-context-menu-for-specific-cell-or-item-in-uit...

2 years ago | 2 answers | 0

2

answers

Submitted


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

2 years ago | 2 downloads |

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Submitted


TDMS Reader
Read TDMS files v1 & v2 without DLL

3 years ago | 210 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...

3 years 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...

3 years 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...

3 years ago | 0

Submitted


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

4 years ago | 19 downloads |

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

4 years 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...

4 years ago | 0 answers | 0

0

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...

5 years ago | 1

| 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...

5 years ago | 1 answer | 0

1

answer

Solved


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

5 years 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 ...

5 years ago | 1 answer | 0

1

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');

5 years 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 ...

5 years ago | 0 answers | 0

0

answers

Question


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

5 years 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 ...

5 years ago | 1 answer | 0

1

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 ...

5 years 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...

5 years 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/Do...

6 years 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...

6 years 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 ...

6 years 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...

6 years ago | 0

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