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Replacing numerical values in table with string
This is MATLAB, so forget about using a loop like that. Either replace the entire column at once or use e.g.: https://www.mathw...

2年以上前 | 1

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Sorting files in struct according to time in filename
You could download my FEX submission NATSORTFILES(): https://www.mathworks.com/matlabcentral/fileexchange/47434-natural-order-f...

2年以上前 | 0

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How to extract data from a file, and form a column vector?
Note that copy-and-pasting blocks of code like that... is not a generalized approach to writing code. Best avoided. Rather than...

2年以上前 | 1

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Generate list of frequencies evenly spaced in logarithmic plot
X = logspace(log10(0.2),log10(628),8) Y = sqrt(X); semilogx(X,Y,'-*')

2年以上前 | 1

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Extracting a double array from within a struct
"So in the end I will have an 18x297 array." Because there are a different number of columns in each matrix you will need to EI...

2年以上前 | 0

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How can I get arguments in my MATLAB batch script to use a series of files with different character strings?
S = dir('/location/*/physio/*_PULS.log'); for k = 1:numel(S) F = fullfile(S(k).folder,S(k).name); T = readtable(F); %...

2年以上前 | 0

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raising an element of a vector to a power gives complex number, but it should be real number
"Oh okay I guess I got it..." No guessing is required, this is explained by the rules of operator precedence: https://www.math...

2年以上前 | 2

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How to import text data with different column lengths without having NaN
Keeping the corresponding pairs of columns together: T = readtable('test.txt', 'Delimiter',',') for k = width(T):-2:1 T =...

2年以上前 | 0

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Matrixwise subtraction yields vector - how to reshape to original logical matrix?
A = rand(3); B = rand(3); X = A>=0.5; [~,C] = find(X); M = accumarray(C,A(X)-B(X),[],@mean).'

2年以上前 | 0

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Observing Error while reading .csv files
Your code is fragile and complex. You should aim to simplify it and make it more generalised: avoid having lots of hard-coded t...

2年以上前 | 1

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Too many input arguments error when cell2mat and mean functions are used
V = [23;27;26;17;7]; N = numel(V); C = nan(N,2); for k = 1:N M = vertcat(iniclu{k,1:V(k)}); % comma-separated list ...

2年以上前 | 1

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Counting First digit of a certain number
t1 = [0, 0; 0, 1; 0, 1; 1, 1; 1, 0; 0, 0; 0, 1]; t2 = [1, 1; 0, 1; 0, 1; 0, 1; 1, 1; 0, 1; 1, 1]; t3 = [0, 1, 1; 1, 0, 0; 1, 1...

2年以上前 | 2

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Loop for Concatenating files *.CSV
V = vertcat(Folder{10:-1:1}); https://www.mathworks.com/matlabcentral/answers/1656435-tutorial-comma-separated-lists-and-how-to...

2年以上前 | 0

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Sequencing data in the loop (*.CSV files)
"How can I keep the data in sequnce." Either use sufficient leading zeros in the filenames OR sort the filenames alphanumerical...

2年以上前 | 1

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How to avoid creating 1x1 struct?
b = linspace(..); e = spline(..); newStruct = struct('b',num2cell(b),'e',num2cell(e)); "I get this which serves no purpose wh...

2年以上前 | 1

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How to have a code restart with a different file after finishing with a different file?
"However it combined all of the files into one output file, my new question is how to create a new txt file for each csv file th...

2年以上前 | 0

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Cannot find file that exists for second variable
Your code is looking for a file literally named TIMESERIES: if ~exist('timeseries','file') whereas what you want to do is use ...

2年以上前 | 0

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How to solve incosistent scientific format ?
Do not convert to text and compare text. Compare the numeric values. Best of all by comparing the absolute difference against a...

2年以上前 | 1

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Function with 3 input arguments
"I just know I am missing something fundamental here..." Exactly the same fundamental concept as your previous questions: defi...

2年以上前 | 1

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How do I insert a substructure within an existing structure at a specific index
"What is the simplest way to do this?" With a structure array this would be easy with some indexing. It would also make accessi...

2年以上前 | 0

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Confusing sprintf() behavior
"Is this a bug?" No. SPRINTF and FPRINTF apply the entire format string to the data values, repeating the entire format string...

2年以上前 | 1

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concatenate multiple 'OutputFcn' options in odeset?
Define a wrapper function to call whatever functions you want. Note that the wrapper function itself will need to fulfill the r...

2年以上前 | 1

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Plotting matrix data without existing x-values.
S = load('befolkning2019.mat'); M = S.befolkning2019 X = 0:size(M,1)-1; plot(X,M) legend('male','female')

2年以上前 | 0

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Creating 25 x 2 matrix with each row range is 20
m = (0:20:499).' + [1,20]

2年以上前 | 2

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Deleting specific repeating sequence from a column vector
"Might there be a more elegant solution?" You don't need a loop, just remove them all at once e.g.: Data = [ 0 %Pac...

2年以上前 | 0

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Writing code to call functions
"I don't think I've learned how to properly call functions because I keep getting errors when trying to run function." The prob...

2年以上前 | 1

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How to calculate and display electricity used in a month using fprintf?
Note that the assignment does not require that you also print the number of kWH, only the charge is required: n = str2double(in...

2年以上前 | 0

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I just want to run my script within a certain time periodically. That's it all ....
Use https://www.mathworks.com/help/matlab/ref/timer.startat.html This is the function that lets you specify an absolute time ...

2年以上前 | 1

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Why is my table being saved in a wrong way in a CSV file?
"Why is my table being saved in a wrong way in a CSV file?" Why do you think that MATLAB is doing something wrong? "but when I...

2年以上前 | 0

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Split File paths by '\' but file paths have varying subfolders and thus lengths
Your code is very complex. You can simplify it by letting DIR recursively parse the folder structure. Lets try it here: mkdir ...

2年以上前 | 0

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