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dleal


Last seen: environ 2 ans il y a |  Actif depuis 2021

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why is acumarray much slower calculating means than sum?
Hi all, why is acumarray much slower calculating means than sum? I understand averages are slightly more complex, but I woul...

plus de 2 ans il y a | 2 réponses | 0

2

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how can I change a n*1 matrix to a n*6 matrix with a condition based on column value?
If you have the Statistics and Machine Learning Toolbox you can do use dummyvar: A = [1,1,2,4,4, 5,6]'; >> dummyvar(A) an...

plus de 2 ans il y a | 0

| A accepté

Question


access array multiple times and calculate some value
Hi all, I would like to know if there's a faster way that using a foor loop for this: a = rng(99); A = randn(1,100); B = [20 ...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


list comprehension in MATLAB using Python interface
Hi all, using MATLAB's Python interface, is there a way to do a list comprehension in MATLAB? Sample problem python list compr...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


long integers in matlab
Hi all, how can we do (simple) operations in Matlab with integers that exceed intmax("uint64")? I am aware that in Python thi...

plus de 2 ans il y a | 3 réponses | 0

3

réponses

Question


create static method in app designer
Hi all, How do I create static methods in the App Designer? The dropdown menu only allows me to create either public or privat...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


python environment mysteriously loads by itself?
The title of this post summarizes the issue. I am slighty confused why Python loads without my explicit permission. I am workin...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


proper use of DataQueue and PollableDataQueue inside of App Designer class?
Hi all, I am aware there are some limitations for the usage of Parallel Computing Toolbox inside of App Designer. How could I s...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


iteratively plot in multiple figures with subplots
Hi all, I want to create 2 figures, each with 2 embedded subplots. Then, I would like to alternatively add points to each of t...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


Updating plot in loop takes increasing amount of time
When I update a plot within a loop, each iteration takes longer after a while. Is there a way to avoid the slowdown? See example...

plus de 2 ans il y a | 2 réponses | 0

2

réponses

Question


dsp.MatFileReader HDF5 library encountered an error
Hi all, I am getting this error with MatFileReader which I don't know how to fix. The function below simply reads a mat file wit...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


streaming real-time financial data in MATLAB
Hi all, I would like some guidance as to how to frame the following streaming problem in MATLAB. I am currently trying to stream...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


access elements of vector within struct
Hi all, I want to update the values of a vector, within a struct, recursively, in a for loop. In particular, I am receiving rea...

plus de 2 ans il y a | 2 réponses | 0

2

réponses

Question


accumulate values in aftereach function
Hi all, I would like to accumulate values that I collect in real time from a function that runs in the background. For exam...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


Assign different resources to different processes running in background
Hi all, I am trying to set up two independent processes running in the background. The first process would generate data (genDa...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


Change table variable type
Hello, I am trying to change all variables in a table from int64 to double. I know I should use the "double" function, but for ...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


MATLAB PollableDataQueue get last value
Is it possible to make the a MATLAB PollableDataQueue last-in-first-out (LIFO) instead of first-in-first-out (FIFO)? Alternative...

presque 3 ans il y a | 1 réponse | 0

1

réponse

Question


pass Python object as argument to function in "parfeval"
I am trying to pass one Python object as an argument to a function that I am evaluating in the background with parfeval. The Pyt...

environ 3 ans il y a | 1 réponse | 0

1

réponse

Question


Matlab Github integration on 2021a "incorrect username and password"
I am following this MATLAB Youtube video on how to use source control in matlab on Github https://www.youtube.com/watch?v=O7A27...

environ 3 ans il y a | 1 réponse | 4

1

réponse

Question


don't understand "training" method in cvpartition class
the "cvpartition" class in the statistics and machine learning toolbox as the following method: function trainIndices = train...

environ 3 ans il y a | 1 réponse | 0

1

réponse