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Cris LaPierre

MathWorks

Last seen: 2 days ago Active since 2018

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Answered
What's the best way to visualize position/zscore over multiple subjects?
Use groupsummary: B = groupsummary(A,groupvars,groupbins,method) Z = readmatrix('zscore.csv'); x = readmatrix('xcord.csv'); n...

7 days ago | 0

Answered
How to add math symbols to Live Script text?
Try clicking the 'Insert Equation' icon to open the equation editor. https://www.mathworks.com/help/matlab/matlab_prog/insert-...

7 days ago | 0

Answered
Problems with Matlab files
Please contact support: https://www.mathworks.com/support/contact_us.html

8 days ago | 0

Answered
How to extract latitude and longitudes from a table given the timestamp range?
I would use isbetween to create an index of the table rows that are between the lower and upper times. I would then use that i...

10 days ago | 0

Answered
Converting Unix Timestamp to Date Time
Set the 'datatype' option to 'posixtime'. As an example, the Unix time stamp 1718195288 is Wed Jun 12 2024 12:28:08 GMT+0000 ...

11 days ago | 0

Answered
Where is the search bar on the Matlab File Exchange website?
This is a communicty forum. To share feedback/enhancements directly with MathWorks, use this link: https://www.mathworks.com/su...

11 days ago | 0

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Answered
Preparing input data for classification using LSTM
It is a mat file. This is a way of saving variables in MATLAB to a file (see save). It loads 3 variables to the Workspace data ...

22 days ago | 0

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Answered
I'd like to do various things, including controlling the dimensions of the plot box. What I do here with xlim, ylim, and zlim doens't work.
You are creating varlables named xlim, ylim, and zlim rather than setting the corresponding axis properties. Also, axis equal ch...

23 days ago | 0

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Answered
The course answer is wrong
When I add your answer into the current Chinese version of the course, the answer is marked correct. Please try submitting ag...

24 days ago | 0

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Answered
Hi everyone , i have LSTM trained model (time series sequence) which i want to load in my simulink model. how can i proceed with it. any help please
Train your network in MATLAB, then perform inference with it in Simulink using the predict block from the Deep Learning Blockset...

28 days ago | 0

Answered
what is .data extension in matlab
It is not an extension. X is a structure with a field named 'data'. Learn more here: Structure arrays

28 days ago | 0

Answered
How to visualise data in 4D or 5D?
See this answer: How to plot 5D in MATLAB Basically, 3 of the dimensions can be X,Y,Z. Additional dimensions can be represented...

29 days ago | 0

Answered
Is there any way to speed this up?
My question is if it has to be done with isosurfaces. Here's an approach that uses scatter3. You can adjust the marker size to c...

1 month ago | 0

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Answered
Font size of command window is much larger than the one in Editor
You can Zoom in and out in the editor. Try switching to the View tab and use the Zoom In or Zoom Out options to adjust the edito...

1 month ago | 0

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Answered
Indexing array of strings to the full string instead of one letter
In that case, use strings (double quotes) instead of character arrays (single quotes). propnames = ["density", "entropy", "enth...

1 month ago | 1

Answered
how can I change worldmap axes grid and label?
Use setm to set the meridian line & label locations ('MLineLocation' and 'MLabelLocaton' properties). Also, you can use gridm ...

1 month ago | 0

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Answered
Oxford Battery degradtion dataset
I would download the data directly from Oxford as a mat-file. Then you can just load the mat file into MATLAB, and have all the ...

1 month ago | 0

Answered
Can I use splitapply with two grouping variables and how can it be done in matlab app designer?
Yes, you can use two grouping variables. However, the output is still an Nx1 vector of the unique groups (combination of the gro...

1 month ago | 0

Answered
Troubles With Image Resizing
If the Medical Imaging Toolbox is included in your license, I suggest using extractSlice to get the voxel information for your s...

1 month ago | 0

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Answered
Programmatically Disable a Toolbox
Does matlab.addons.disableAddon do what you want?

1 month ago | 0

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Answered
Why does readmatrix return empty matrix if text file contains quotes?
readmatrix is trying to guess what the file format is. However it is doing that, it appears to not handle this specific configua...

1 month ago | 1

Answered
Video Labeler change time between frames
I imagine the times come from the video object created to load the video (see here). There isn't a way to change this in the app...

1 month ago | 1

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Answered
Need 2017, 2018 MATLAB PDF Documentation related to MATLAB Communication toolbox and Simulink for Communication
Documentation older that 5 years is not available online. Please contact support: https://www.mathworks.com/support/contact_us.h...

1 month ago | 0

Answered
Replace a field with another one in structure arrays
Your structure name is apparently not Data_2. Check your workspace for the correct name. Data_1.Camera1 = []; Data_2.Camera1 =...

1 month ago | 0

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Answered
Display script comment as contents in MATLAB "Script Editor", instead of "Current Folder" script overview
I suggest submitting your suggestion/feedback here: https://www.mathworks.com/support/contact_us.html

1 month ago | 0

Answered
what's the different between p.v and v?
See here: https://www.mathworks.com/help/simscape/lang/model-linear-resistor-in-simscape-language.html v = p.v - n.v

1 month ago | 0

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Answered
Add duration object to datetime object to get new datetime object
The results seem correct if you consider the time is being displayed in 12-hr format instead of 24 hour format. A = readtable('...

1 month ago | 0

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Answered
how to create array datetime
You have the correct function, just the wrong syntax. The biggest issue I see with the conversion is that your time appears to b...

1 month ago | 0

Answered
d'unité Hounsfield (UH) faux
dicomread loads the raw pixel intensity values. You need to use the RescaleSlope and RescaleIntercept metadata properties to co...

1 month ago | 0

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Answered
How to run selected matlab code?
Press F9 or right click on it and select Evaluate Selection

1 month ago | 2

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