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Neuropragmatist


University College London

86 total contributions since 2018

Trained in neuroscience and electrophysiology but self-taught in programming. My solutions may not be the fastest or most elegant but on average they work at an above chance level.

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Answered
Please provide in depth details on PCA MATLAB function
How many features do you give the PCA when you give it the dataset? Just the XY values you plotted in the first graph? Or do you...

12 dagar ago | 0

Answered
how do i live plot 3 different values?
Can you be more precise in what you want to achieve? For example, here is the Matlab help example given for animatedline: numpo...

12 dagar ago | 0

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Maximum perpendicular distance from line to convex hull boundary
I had to do something similar to this some time ago, sorry I don't really remember the specifics but I used rayTriGPU: https://...

12 dagar ago | 0

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Model Based Reinforcement Learning
Your agent shouldn't be able to make 'invalid' actions at all. For undesired actions, as you say the correct reward function wit...

12 dagar ago | 0

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How to Filter Datasheet
Why do you want to do this? Its certinaly poossible to write code to do what you want, I'm just wondering if maybe there is a m...

13 dagar ago | 0

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compress a 3D volume into a 2D image
Could you project the data along each axis (using mean(data,dim) for instance) to get 3 two dimensional images and then do the t...

13 dagar ago | 0

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to run NaN values with anova1
As per the anova1 help it expects groups to be arranged in columns, not rows: "P = anova1(M) for a matrix M treats each col...

13 dagar ago | 0

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Answered
.dat file image generation and analysis
Matlab has countless ways to visualise images loaded into the workspace. The problem with your file is that .dat sounds like a ...

13 dagar ago | 1

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How to import a specific range using readtable
Can you not just read the whole table and the select the data you want from the resulting matrix? cd 'C:\Users\julia\Desktop\Te...

13 dagar ago | 0

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Answered
Fatal Error on Startup
You should probably contact Matlab suport: https://uk.mathworks.com/support/contact_us.html?s_tid=sp_ban_cs M.

16 dagar ago | 0

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How to resize test images for neural network deep learning?
Did you just substitute your own input image for the Matlab tutorial one? Because it looks like the whole code is built around 3...

16 dagar ago | 0

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Can we import data from Dropbox to matlab?
I haven't used this but maybe this function would be helpful: https://uk.mathworks.com/matlabcentral/fileexchange/59548-url-rea...

16 dagar ago | 0

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How to plot a position heatmap inside a circle?
Hi Manal, I'm always happy to help a fellow animal researcher! If you know where the center of the arena is in your heatmap th...

16 dagar ago | 0

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Answered
How do I access images from directories using an input command for the extensive file?
In the example function you gave the second input 'fileType' is not used, is that the problem? You could use this in the line c...

16 dagar ago | 1

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Answered
Plotting X, Y cordintions with a line short line that indicates the angle
Your question is lacking some detail I suspect. Just to plot the XY data you could do this: dat =[20 30 200 30 ...

18 dagar ago | 0

Answered
Efficient way to rename files adding prefix from higher rank folder
You should look at fileparts: https://uk.mathworks.com/help/matlab/ref/fileparts.html And strsplit: https://uk.mathworks.com/...

18 dagar ago | 0

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Loop an animated plot
I would run your function once and generate a movie file, then insert the video into Powerpoint using the 'insert video' option ...

18 dagar ago | 1

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Copy an Excel worksheet from one workbook to another with Matlab
Why does readtable followed by writetable not work?: https://uk.mathworks.com/help/matlab/ref/readtable.html?searchHighlight=re...

18 dagar ago | 0

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find maximum of data with some conditions
I really don't understand your question, how are the data arranged? Can you give us an example piece of data? It sounds like yo...

18 dagar ago | 0

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HELP TO SINC MY MATLAB DRIVE FOLDER WITH GOOGLE DRIVE
I don't use Matlab Drive at all, but if it works similarly to Google Drive and OneDrive there will be an option to choose where ...

18 dagar ago | 0

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How can I get filenames for individual images in a multi-page tiff stack?
From what I remember ImageJ uses Bio-Formats? You could look at this: https://docs.openmicroscopy.org/bio-formats/5.8.0/users/...

18 dagar ago | 0

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Extract columns from multiple csv files
Why not just concatenate the data - or am I missing something? If in the end you want a single vector to analyse you can just c...

ungefär en månad ago | 0

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how to properly use num2str with string input for load or title funtions.
I'm guessing the files you want to load are named something like: 'GST_amorph_P900_Reflection'? If that's the case you need to ...

ungefär en månad ago | 0

Answered
Meaning of "clear all" and "clf"
Have you checked the help or reference material? https://uk.mathworks.com/help/matlab/ref/clf.html https://uk.mathworks.com/he...

ungefär en månad ago | 0

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Answered
Reading portions of several CSV files
Is the problem that the loaded data are not in a format you like and you can't concatenate it easily or is it that you just don'...

ungefär en månad ago | 0

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Answered
Organize data in matrix
If I understand correctly you have an excel file with 4 columns. One column contains x values, one y values, one z values (which...

ungefär en månad ago | 0

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Error: Index in position 2 exceeds array bounds
Your line fails because NumDataS is empty, because the 'text' field of xlsread is empty. I'm not really sure why but the third o...

ungefär en månad ago | 0

Answered
Sample a square pixel image into hexagonal pixel image
I don't think there is anything native to matlab that would work for you - remember that Matlab is all about matrices, which hav...

ungefär en månad ago | 0

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Answered
From matrix to timetable
I think what you have there is about as efficient as you can get. M.

ungefär en månad ago | 0

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Answered
convert image pixels to binary file
If you mean you want to convert the image intensity values to an actual binary representation you might want to look at: https:...

ungefär en månad ago | 0

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