Mohammad Sami

Last seen: 6 days ago | Active since 2014

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Convert string into datetime
you can simply use the datetime function to convert a string into datetime type dt_string = ["2023-10-31 01:02:03" "2023-11-01 ...

22 days ago | 0

Answered
Servicing Python Matlab API queries
I would suggest use .NET or Java to run the external process. This would return you a .NET or java object which have functions t...

1 month ago | 0

Answered
How to calculate the deviation or difference between two arrays of datetime?
Here is something to start you off. H = readtable('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1501395/H4L.t...

1 year ago | 1

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Answered
Error using == Matrix dimensions must agree
I assume you are trying to extract a number from the file name. Your code assumes that the file name is 4 characters or longer....

1 year ago | 0

Answered
How to extract Datetime string to separate columns of yyyy dd mm hh mm
varNames = {'dt','val'} ; varTypes = {'datetime','double'} ; delimiter = '\t'; opts = delimitedTextImportOptions('VariableNam...

2 years ago | 1

Answered
Share standalone application (.Exe) with Database
I think the best solution for you will be to use the Matlab SQLite Interface for the database. This does not require users setti...

2 years ago | 0

Answered
How do I make a system to add and delete tabs in a GUI with App Designer?
This is because in app designer you need to define the property names before you can use them in the code. I would suggest you a...

2 years ago | 1

Answered
Crate a changeable label in programmable App (GUI)
I am assuming that you are using app designer. If so you should place the uilabel in the UI on the canvas. Then you can access ...

2 years ago | 0

Answered
How to replace values in a very large array
You can modify what @dpb suggested as follows. xx=find(tdcRelTime < 1.5e10); idx_Laser(ismember(idx_Laser,xx)) = 0;

2 years ago | 1

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Answered
How close secondary apps when the main app closed?
You will need to store a reference to the secondary app in your main app. This will allow you to close it in the CloseRequestFcn...

2 years ago | 0

Answered
StandAlone Matlab app don't show the points with the interection with the mouse
Enable or Disable Built-In Interactions To control whether a set of built-in interactions is enabled within a chart, use the di...

2 years ago | 1

Answered
My MATLAB 2022a not talking to Python 3.9.13
It seems that python is not your on paths list, hence its not auto detected by Matlab. You can manually set the executable path...

2 years ago | 0

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Answered
How to create Random Binary Number with fix amount of 1 and 0?
You can try the following. bin_len = 30; num_1 = 4; n = 100; binfunc = @(~)sum(pow2(randperm(bin_len,num_1)-1)); bnout = ar...

2 years ago | 0

Answered
How to increase spacing between axis ticks in plot with a lot of data
since your data is only between 62.4 and 62.6, you can limit your y axis to these values using the ylim function. fakedata = [l...

2 years ago | 0

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Answered
Add Array in a Cell in a For Loop
Your current code is creating a nested cell array. You can change it as follows. % for testing % i = 1; x_wing = 1; y_wing ...

2 years ago | 1

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Answered
Is there a way to get the redirect url after a https / api request?
You can use the matlab.net.http interface to follow the redirects. https://www.mathworks.com/help/matlab/ref/matlab.net.http.re...

2 years ago | 2

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Answered
How do I get the final URL from a redirect link? (like requests.get from python)?
You can use the matlab.net.http interface to follow the redirects. https://www.mathworks.com/help/matlab/ref/matlab.net.http.re...

2 years ago | 0

Answered
Hi, everyone! I got an error while runnig this code . ""Error setting property 'AlturaactualEditField' of class 'app2': Cannot convert double value 3.79215 to a handle "
You need to assign it to the value of editfield rather then the edit field itself app.AlturaactualEditField.Value = math(cont);...

2 years ago | 0

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Answered
Comparing two differently-sized arrays
The best way to do what you are requesting is to convert your arrays to timetables and then either use the synchronize function ...

2 years ago | 0

Answered
Looking for a function minimizer subject to nonlinear constraints with absolute function tolerance.
You can try setting the 'TolFun' parameter in the optimset. You can refer to the following documentations for more details htt...

2 years ago | 0

Answered
MATLAB app designer, how to update value of a property in declared callback function
You can try the following. configureCallback(app.arduino,"terminator",@app.readSerialData)

3 years ago | 0

Answered
How to declare variable in App Designer
Do you mean you want to set the value of A equal to the value of edit field ? app.A = app.EditField.Value;

3 years ago | 0

Answered
How to set defaults for GridLayout?
In this case I believe the only way to change the default column spacing is to edit the code shipped by matlab.

3 years ago | 0

Answered
Static Java methods won't execute with parfor loop
The dynamic java class path is only modified in the process calling the javaaddpath. So for parallel you will have to add your j...

3 years ago | 1

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Answered
How to change automatically generated uibutton properties in another function?
You can store all your buttons as an array in the app property orientationButtons. function create_buttons(app) % % make b...

3 years ago | 0

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Answered
How to change training and plotting options when training a deep network?
From matlab documentation, you can only use this option if you specified validation data as well. https://nl.mathworks.com/help...

3 years ago | 0

Answered
How to write our own Loss function in Deep neural network layers.
You can first check if the loss function is already available in Matlab here. https://www.mathworks.com/help/deeplearning/ug/de...

3 years ago | 0

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Answered
Replace stale / repeating data with NaN in a table
You can try this. Var1 = [ 3 , 2, 5, 4, 4 , 4, 4, 6, 2, 3 , 5, 5 ,5 ,5 ]; i = Var1(2:end) == Var1(1:end-1); i = [false i]; V...

3 years ago | 0

Answered
How to use parpool for independent expressions
You can use the parfeval function to make these calculations on a worker thread. x = 1; y =2; z=3; p=parpool('local',4) Fs...

3 years ago | 1

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Answered
This is a part of a code and I want to add something to it, description below
In your code Heff(:,P==0) = []; %Delete User Row This will actually delete columns not rows in Heff. Not sure if that is what ...

3 years ago | 0

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Mohammad Sami

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