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Solved
There are 10 types of people in the world
Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...
3 days ago
Solved
Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...
3 days ago
Channel
Temperature Monitoring using ESP32 (DHT11)
Temperature Monitoring using DHT11 and ESP32
1 year ago
Inconsistent behaviour in fprintf output (scripts and LiveScripts)?
To get the same output for this example as in the command window, one possible approach is to wrap your code inside a function. ...
5 years ago | 0
Table consist of strings and numerics
Once you setup the table, you can use sprintf to create the concatenated string. You would have to decide how will passing the i...
5 years ago | 0
| accepted
Solved
Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.
6 years ago
how to compare elements in an array respectively
If I understand correctly, you are comparing the arrays element wise and then deciding based on a condition. One approach could ...
6 years ago | 1
How i can write glcm features in matlab to excel sheet?
I would suggest using "writetable" and setting the "WriteVariableName" argument to false to accomplish this. For example: Assu...
6 years ago | 0
How to retrieve table data based on matched variable
You are correct in that you can use logical indexing to solve this without loops. Here is a possible approach: % Extract logica...
6 years ago | 1
Submitted
Code Examples from "Video Processing in MATLAB"
Demos from the Video introducing Video Processing in MATLAB
7 years ago | 1 download |
How to append lines to an existing MessageBox
The following is a possible approach to append messages in the msgbox after its creation. % Create a message box h = msg...
8 years ago | 0
Testing Data for Power Law Relationship
*Part 1:* A few possible approaches to approaching this is as follows: *a) Without the Curve Fitting Toolbox* i) _Using po...
8 years ago | 2
| accepted
How to read xlsx file after the date
A possible approach would be to pull out the date from the file name and then sort it. Then, keep a track of the order and read ...
8 years ago | 0
Setdiff with two datasets, looking at only certain columns
You can use the ' |setdiff|' and ' |intersect|' functions with logical indexing to get the output you desire. As an example: ...
8 years ago | 0
| accepted
How to modify a variable with a gui?
In the callback function for the button, use the |assignin| function to modify the value in the base workspace. For ex. ...
8 years ago | 0
Comparison for/vectorization- some general advice
The result you observe could be because preallocation the second time appears to be faster than the first. So, timing each allo...
8 years ago | 0
| accepted
How can I do a loop to extract vectors from a matrix?
The reason only the last one is stored at the end of the for loop is that 'c' is being overwritten each time the loop iterates. ...
8 years ago | 1
Splitting array based on a single column's condition
If the transition point in the fourth column is known to be 0, then you can consider splitting the data by the location of these...
8 years ago | 0
| accepted
How do I change the yaxis exponent when using a double y-axis plot?
Try setting the exponent as follows: ax.YAxis(2).Exponent=3; instead of ax.YAxis.Exponent = 3; This sets the expo...
8 years ago | 8
Plot surface with 3 vectors x,y,z?
Did you try plot3 or scatter3? If you are looking to simply "plot" the 1000 points where the triplet (x,y,z) represents a poi...
8 years ago | 2
I don't find the error in my function, (index exceed matrix dimensions)?
I am assuming that you are calling the function with vector arguments such as: Azimuth([10,20],[30,40]). Now, there is an ex...
8 years ago | 0
bar and histograms for categorical data
MATLAB by default places categories in alphabetical order. One of the possible approaches to switching the order of the bars is...
8 years ago | 0
| accepted
Plot a signal, manually brush data range, and generate new variable
To programmatically implement selecting brush data, saving it to a newly created variable, you can try the following approach: ...
8 years ago | 2
Improving circle detection with imfindcircle
The following link may have some useful tips on circle detection using *imfindcircles* and *regionprops*: <https://www.mathwo...
8 years ago | 0
'Plots' not a recognized parameter in deep learning network training
This may be MATLAB version related. Which version of MATLAB are you trying to execute this on? The ability to monitor trainin...
8 years ago | 1
| accepted
How can I get the histeq function to ignore NaN values?
It appears that MATLAB warns you about using *histeq* on a matrix with NaNs and replaces them to 0. I would suggest the follo...
8 years ago | 0
Photogrammetry, distance in image
A possible approach would be to use the function 'regionprops' after some basic pre-processing: I = imread('edges.png...
8 years ago | 0
| accepted
How should I denoise the image to extract the characters from the image?
A possible approach to solve the above problem is as follows: % Read in the image Iin = rgb2gray(imread('test.png')); ...
8 years ago | 0
