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Mohammad Sami


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386 total contributions since 2014

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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...

environ 23 heures ago | 0

| accepted

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...

environ un mois ago | 0

| accepted

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 ...

2 mois 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...

3 mois 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...

3 mois 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...

3 mois ago | 0

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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 ...

3 mois 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...

3 mois 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 mois 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 mois 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 mois 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 mois 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)...

5 mois 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 mois 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 mois ago | 0

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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...

5 mois 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...

5 mois 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 mois 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...

5 mois 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 ...

5 mois 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...

5 mois 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...

5 mois 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: ...

5 mois 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...

5 mois 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...

5 mois 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 mois ago

Solved


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 mois ago

Solved


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 mois 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 mois ago

Solved


Oh Zero Zero Zero!!!
Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

5 mois ago

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