Mohammad Sami

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387 total contributions since 2014

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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...

etwa 2 Stunden ago | 0

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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...

12 Tage ago | 0

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Answered
Change the binary number of a specific group of matrix elements by switching from zero to one and vice versa
If your data is int / uint, you can use the function bitcmp to get the bitwise complement. a = uint8(1); b = bitcmp(a); dec2b...

etwa 2 Monate ago | 0

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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 ...

3 Monate ago | 0

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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...

3 Monate ago | 0

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

3 Monate ago | 0

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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...

3 Monate ago | 0

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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 ...

3 Monate ago | 0

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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...

3 Monate ago | 0

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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 Monate 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...

5 Monate ago | 0

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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...

5 Monate ago | 0

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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...

5 Monate ago | 0

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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)...

5 Monate 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...

5 Monate ago | 0

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...

5 Monate ago | 0

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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...

5 Monate ago | 0

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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...

5 Monate 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...

5 Monate ago

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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...

5 Monate ago

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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 ...

5 Monate ago

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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...

5 Monate ago

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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...

5 Monate ago

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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: ...

5 Monate ago

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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...

5 Monate ago

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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...

5 Monate ago

Solved

Max index of 3D array
Given a three dimensional array M(m,n,p) write a code that finds the three coordinates x,y,z of the Maximum value. Example ...

5 Monate ago

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Finding peaks
Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; ...

5 Monate ago

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Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

5 Monate ago

Solved

Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

5 Monate ago

Mohammad Sami

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