Answered
Change the event of one button as another is pressed in matlab app designer
Instead of using a fixed string value in your function. create a property in your app and use that. you can then modify its val...

3 years ago | 0

Answered
Replacing all even numbers in my matrix with their square root value
You need to assign it back to A to replace the even values. A=[1 4 9; 8 16 7; 3 36 4]; i = rem(A,2)==0; A(i) =sqrt(A(i))

3 years ago | 0

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Answered
Regexp for only numbers and "dots"
You can use a regex like the following. this one will catch all digits and dots. The ^ in beginning and $ at the end ensure that...

3 years ago | 0

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Answered
Detect variable overflow in matlab code
The following should work. i = uint8(0); for j = 1:10000 temp = randi(255,'uint8'); % test if temp is bigger then the diffe...

3 years ago | 0

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Answered
App designer - How to index multiple variable names?
You should add a private property called AllLamps. Then add startupFcn to define this property. % Code that executes after comp...

3 years ago | 1

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Answered
Matlab standalone exe closes after calling another Matlab exe from it
I would suggest, don't use timers in the first exe. Use while loop with some exit condition and a pause instead of timer. % fir...

3 years ago | 0

Answered
Reading csv files starting from a different row
You can use the import options to change the behaviour of the readtable function. a = delimitedTextImportOptions('VariableNames...

4 years ago | 1

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Answered
How to pass variables within App Designer to be saved to file
You can access the "Value" property of the edit fields to get the associated text / numeric values. Your code will be inside ...

4 years ago | 0

Answered
Slide matrix on a larger matrix
You should be using convolution for this instead of for loops. you can use the conv2 function for 2d matrices. https://www.mat...

4 years ago | 0

Answered
Importing ascii file in matlab with tab as delimiter
You can try the following. if true fname = 'pathtofile.txt'; opts = delimitedTextImportOptions('VariableNamesLine...

4 years ago | 0

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Answered
Is it possible to install and run MATLAB R2020b on NVIDIA Xavier platform?
I think you cannot install Matlab on Nvidia Xavier. However Matlab GPU Coder allows you to connect to the Nvidia devices to prot...

4 years ago | 1

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Answered
App Designer- How to make button display answers in different numeric fields depending on the clicks
Something like this should work. it assumes the initial values are set to 0. function RollValueChanged(app, event) %Roll is ...

4 years ago | 0

Answered
HOW DO I USE FOR LOOP TO GET VALUES IN MY ARRAY
You can try the following to unnest your data into a table key = 'key'; options = weboptions('ContentType','json'); url = ['h...

4 years ago | 0

Answered
How to Transfer Data Between More than 2 Computers Using MatLab?
A second potential option for you would be to use Jeremy's MatlabWebSocket from File exchange. https://www.mathworks.com/matlab...

4 years ago | 0

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Answered
Invalid training data. The output size (7) of the last layer does not match the number of classes (10).
This is because of this part of the setcat_and_table_to_cell function validcats = string(0:9); % define valid labels for catego...

4 years ago | 0

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Answered
Accessing a structure from its field value? Going from field value backwards to structure index.
I would suggest instead of defining a patient class to store information, you store the patient information in a table. That is...

4 years ago | 0

Answered
Why I cannot get rid of Nan columns
The issue is in the if statements. You are doing a vector comparison, which will return a logical vector. If statement requires...

4 years ago | 0

Answered
How to output and name variables generated in 'for' loop into workspace.
You can store the values in a cell array. Edited portion of your code if true Signal{i} = Amp * sin(2*pi*Frequency*t)...

4 years ago | 0

Answered
How do I check if an entire array matches the elements of another array (different size)?
What you need is the ismember function. if true [Lia,Locb] = ismember(person1, person2); Allperson1inperson2 = all(L...

4 years ago | 1

Answered
Accessing elements of lists within lists
In Matlab cell arrays are the only type that can store heterogeneous data. Just change the outside [] to {} if you want to have...

4 years ago | 1

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Answered
Stacked histogram or Stacked bar
You can try the following edges=[0 300 700 1200 2300 Inf]; %redefine the edges [N,edges] = histcounts(GTDF,edges); N = N./sum...

4 years ago | 0

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Solved

Decimation - Optimized for speed
This problem is similar to http://www.mathworks.com/matlabcentral/cody/problems/1092-decimation, only this time the score will b...

4 years ago

Solved

Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

4 years ago

Solved

Reference Index Number
Given a reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly...

4 years ago

Solved

Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

4 years ago

Solved

Decimation
When dealing to the Roman Army, the term decimate meant that the entire unit would be broken up into groups of ten soldiers, and...

4 years ago

Solved

Change the sign of even index entries of the reversed vector
change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...

4 years ago

Solved

Unique values without using UNIQUE function
You must return unique values in a vector in *stable* mode without using the unique function. About stable order flag: ...

4 years ago

Solved

Set a diagonal
Given a matrix M, row vector v of appropriate length, and diagonal index d (where 0 indicates the main diagonal and off-diagonal...

4 years ago

Solved

Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

4 years ago