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James Johnson


Last seen: 2 years ago |  Active since 2016

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Question


Get triangular meshes for any shape
I would like to get triangular meshes for arbitrary shapes, with the most regular triangles possible and the ability to adjust t...

3 years ago | 0 answers | 0

0

answers

Question


App designer callback not evaluating
I think the problem is that a "valueChanged" callback is not being evaluated when the value changes. How can I force callbacks t...

3 years ago | 0 answers | 0

0

answers

Question


uitextarea not displaying correct font
I'm editing code that was exported from the app designer to create a GUI. I want the user to edit code directly in a textbox of ...

3 years ago | 2 answers | 1

2

answers

Answered
Live script: Error Loading
One workaround I found is to do a file comparison. Create an empy .mlx file and compare it to the one that MATLAB failed to hand...

4 years ago | 2

Question


how to use multivariate hidden markov models
I'm trying to identify states in a high-dimensional binary time series, I want to use Hidden Markov Modelling specifically. The ...

4 years ago | 0 answers | 1

0

answers

Question


control when to use exponential notation in num2str
I would like to control when exponential notation is used vs when it is not for compact exponential notation in matlab. For exa...

4 years ago | 1 answer | 0

1

answer

Answered
How to publish results from the command window in MATLAB
I found a solution that not only preserves formatting it may allow programatic printing of the command window contents by use of...

4 years ago | 3

Question


How to rescale bar3 independent of colorbar?
Thanks for considering my question! I made these 4 plots using the bar3 function like so: figure(fig) plt=subplot(2,2,plt_ndx...

5 years ago | 0 answers | 0

0

answers

Answered
hasFrame returns a zero value
same problem, the documentation is really poor on VideoReader

6 years ago | 0

Question


Access parent folder when using a directory junction?
Normally you can switch to or load files from the parent folder by using the double period. This doesn't work when both the pare...

6 years ago | 1 answer | 0

1

answer

Question


Database Toolbox cannot store vectors or strings
I'm trying to store and retrieve data in an SQLite database with Matlab's Database toolbox. When I try to store strings or vecto...

6 years ago | 0 answers | 0

0

answers

Answered
matlab cannot find the datainsert function
2 relevant details came up when Mathworks resolved the issue. 1) datainsert is not on the path until the user calls the "data...

6 years ago | 1

| accepted

Question


matlab cannot find the datainsert function
I confirmed that I have Matlab's Database Toolbox. I also reinstalled the latest matlab R2017b because it didn't work with 2017a...

6 years ago | 2 answers | 0

2

answers

Question


How to build mex files from the C code which is output by coder
Hello, When using the "coder" app to generate mex files directly the result is still too slow. However when one uses the cod...

6 years ago | 1 answer | 0

1

answer

Question


Change default IDE layout
I have saved a custom layout (on the environment tab) which works much better for my multi-screen set up. Unfortunately I have t...

8 years ago | 1 answer | 0

1

answer