julian gaviria

Last seen: 7 maanden ago | Active since 2022

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Optimizing number of threads and workers in virtual machines.
Can I reduce the computational time through adjusting the numer of threads and the number of workers in my VM? Processor: Int...

8 maanden ago | 1 answer | 0

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answer

Answered
Create multiple subtables from multiple .tsv tables
Is there any alternative to replace "writable" in writetable(U,H, 'WriteVariableNames',0) I get the following error because, ...

9 maanden ago | 0

Question

Create multiple subtables from multiple .tsv tables
I have 120 .tsv files (see example example in "sub-m0001_file.tsv"). The path is the same for all the files except in the 9th fo...

9 maanden ago | 1 answer | 0

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answer

Question

Indexing in nonsequential order
The following code copy files from the source folder to a destination folder: SourcePath ='/f1/f2/f3/f4/f5/f6/f7/f8/'; ind...

9 maanden ago | 2 answers | 0

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answers

Question

Create 2D mask from nonzero values in 3D array
How can I index cells with nonzero values across all the matrices of a 3D array? Expected output: Logical 2D matrix where 1 rep...

bijna 2 jaar ago | 2 answers | 0

2

answers

Question

Index and select rows from table
A table includes columns with numerical and categorical columns (see attachement) How can I get multiple subtables based on the...

bijna 2 jaar ago | 1 answer | 0

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Question

Dealing with NaNs in corr function (upper/lower triangles of matrices with same dimension)
The correlation coeficients of the upper and lower parts of matrices A,B (see attachment) yield "NaNs nn=374; temp= ~eye (nn);...

bijna 2 jaar ago | 1 answer | 0

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Question

Compute correlations in 3D arrays
%Random matrices A=randi(100,374,374); A_ = eye(size(A,[1 2])); A(ones(size(A))&A_)=NaN; B=randi(100,374,374); B_ = eye(s...

bijna 2 jaar ago | 1 answer | 0

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Question

Any suggestion to replace the diagonal values of matrices in a 3D array?
Any suggestion to replace the diagonal values of matrices in a 3D array? in case1 to "0" in case1 to "NaN" e.g. for N...

bijna 2 jaar ago | 1 answer | 0

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Question

To mirror (i.e, to copy) the upper matrix to the lower half in matrices arranged in 3D
These two lines mirror (i.e, copy) the upper matrix to the lower half in matrix M, and replace the diagonal elements of the sam...

ongeveer 2 jaar ago | 1 answer | 0

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answer

Question

loading multiple csv files using readmatrix
How can I load to matlab workspace multiple matrices with the same dimension located in individual csv files? They have differen...

ongeveer 2 jaar ago | 2 answers | 0

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answers

Question

3D Submatrices extraction by indexing the 3rd dimension
I have a structure array (a_struct) with 2 fields: a_struct.m= 370x690x109 double a_struct.i= 109x1 cell. Each cell contains 1...

ongeveer 2 jaar ago | 1 answer | 0

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Question

identifying entry elements in rows of logical matrix
I want to identifiy the entry elements (i.e., the first "1" value) in the rows of the following logical matrix input_matrix = [...

bijna 3 jaar ago | 2 answers | 0

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answers

Question

How to find percentage of Similarity between two logical matrices
The following code calculates the percentage of similarity between the attached logical matrices "c1" and "c2": row = 168; col...

bijna 3 jaar ago | 1 answer | 0

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answer

Answered
Changing specific characters in filenames across subfolders
Thank you @Walter Roberson. I encountered 3 issues in your suggestion: 1. Is not recursive. To recall the data structure: Dire...

bijna 3 jaar ago | 0

Question

Changing specific characters in filenames across subfolders
How can I change the first character "r" by another character "f" in all the filnames from multiple subfolders: Directory folde...

bijna 3 jaar ago | 2 answers | 0

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answers

Question

Using movefile function in existing and unexisting files
The following use of the "movefile" function works only if the requested files exist. But it yields error messages and stops the...

bijna 3 jaar ago | 1 answer | 0

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answer

Question

Adding prefix to indexe
Goal: To set the source path for using the "copyfile" function Question: How can I add a prefix to the 7th subloder? this folde...

bijna 3 jaar ago | 2 answers | 0

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Question

Iterations of copyfile function across files
I have 4 files (S001, S002, S003, S004) in the following path C:\doss1\doss2\doss3\doss4\doss5\ Each file has a subfloder "res...

meer dan 3 jaar ago | 1 answer | 0

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Question

Issue with length function
Why does the length function never stops the iteration? Context: Using copyfile function (matlab2018b) for copying and pasting...

meer dan 3 jaar ago | 1 answer | 0

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