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an question need to solve
This looks like a homework problem. If you have any questions ask your instructor or read the link below to get started: How d...

6일 전 | 0

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How can we increase/decrease the number of triangles in a triangulation that is created from a polyshape object?
To decrease the number of vertex points that describe a polygon while still somewhat resembling the original shape, see the algo...

7일 전 | 0

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Error using rmdir for deleting slprj folder
You cannot delete a folder if somebody is using it or looking at it, for example if you cd'd to that folder in MATLAB, have it o...

7일 전 | 1

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How to make an inset of matlab figure inside the figure.
See attached inset demos.

9일 전 | 0

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Plot two columns from a table error
What do these next 2 lines show in your command window? whos t which -all plot x = [1:5000]'; y = sin(2 * pi * x / 1000); t...

9일 전 | 0

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Array indices must be positive integers or logical values.
Type clear all; to get rid of your "det" that you created previously, and then run your code either in a script or the command...

9일 전 | 0

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What's the lowdown on chinese tag-team accounts posting questions+answers?
The Mathwork staff is working it behind the scenes.

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Problem finding "valleys" in signal
Is it possible your MinPeakDistance is too large? You could also try to smooth your data with movmean or sgolayfilt before usin...

9일 전 | 0

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How to crop and save objects from many images?
Try this: % Demo by Image Analyst clc; % Clear the command window. close all; % Close all figures (except those of imtool...

9일 전 | 0

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Can I use my student license for and at work?
I would think so since your coop is part of your learning experience as a student. But you can call the sales line for an autho...

9일 전 | 1

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How to remove the background from the attached image
What does "remove" mean to you? Images must remain rectangular. Using the Color Thresholder on the Apps tab of the tool ribbon...

9일 전 | 0

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Split repetitive image to find pattern
If it's just a perfect replication of some tile, why can't you just scan across until a column or row is the same [rows, column...

10일 전 | 0

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How to calculate mean of standard deviation (mean deviation) in a table
You forgot to attach your data, so we can't try anything with your actual data. DON'T use "table" as the name of your table bec...

10일 전 | 0

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Remove static background from video
I don't think it's too hard. First you have to process some frames where the mouse is moving and get a "mode" image, which is t...

10일 전 | 0

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Relation or Pattern between curves
You forgot to attach your data! It should be possible to fit any particular curve to some sigmoid kind of curve, if you have th...

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Need help increasing the speed of my code processing .xlsx files
I'd try using readmatrix or readcell instead of xlsread and see if that helps.

10일 전 | 0

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Split repetitive image to find pattern
Screenshots would help. Does your template (pattern you're searching the larger image for) change size or rotation when it's in...

10일 전 | 0

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Matlab GUI: Using a custom object tag for a button
Not sure what you mean by "read the variable". You know the callback function name so just use the known name of the button. F...

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I'd like to remove variables (columns) containing specifc name
Try this: % Create sample table. rows = 5; xxxx_A = 1:rows; yyyy_B = rand(rows, 1); col3 = rand(rows, 1); t = table(xxxx_A...

11일 전 | 0

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Why does my histogram go out of its frame?
I am not able to reproduce in either R2022b or R2023a. It looks perfectly fine. I'd call tech support. Maybe try a different ...

11일 전 | 0

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I want to add the author's name and title of word document file using the matlab code. I get the error: 'Index exceeds matrix dimensions'.
See Mathworks support article: https://www.mathworks.com/matlabcentral/answers/99160-how-to-change-the-internal-properties-of-a...

11일 전 | 0

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add image to legend label
See attached inset demos.

12일 전 | 0

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Kmeans clustering to detect pothole
@Muhammad Zulkifli I agree with DGM and Walter's answers above, with the caveat that it will work only with potholes filled with...

12일 전 | 0

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How to solve exponential variables
OK, here it is adapted with your actual data. Note that it does not look like an exponential decay at all. % Uses fitnlm() to ...

12일 전 | 0

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How to solve exponential variables
See attached demo. Adapt it to use your data instead of the data created by the demo code.

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Fitting 3D data into a function
Have you tried the Regression Learner app on the apps tab of the tool ribbon? You give it a set of input predictors, and a set ...

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I get an error when trying to plot
Try making V a vector, and then using ./ and .^ because it's a vector: clear q=38.89 ; %W/m^3 r_o=0.04 ; T_oo=5 ; k=0.5 ;...

13일 전 | 0

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We keep getting this error, how can we fix it?
I am not aware of a strcmps() function. Try strcmpi or contains and try [rows, columns, numberOfColorChannels] = size(im1) i...

15일 전 | 0

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remove negative values from one column and the corresponding data in another coloumn
Try this: rowsToDelete = data(:, 1) < 0; % Where values in column 1 are less than 0 data(rowsToDelete, :) = []; % Delete all c...

15일 전 | 0

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Annoying Matlab feature enhancements or changes in 2021 update5
You say you're using "Matlab R2011update5". There have been lots of improvements in the last 12 years. Perhaps it's time for y...

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