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How do I plot a tent-map?
"How do I plot a tent-map?" Following the basic definition of tent map: https://en.wikipedia.org/wiki/Tent_map X = 0:0.01:1; ...

30日前 | 1

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Impossible to set VariableTypes as 'double' for complete array and readtable function
Try something simpler and let READTABLE do the work for you: T = readtable('test_log_1.csv', 'CommentStyle','#', 'VariableNamin...

約1ヶ月前 | 1

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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...

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約1ヶ月前 | 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,'-*')

約1ヶ月前 | 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...

約1ヶ月前 | 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); %...

約1ヶ月前 | 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...

約1ヶ月前 | 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 =...

約1ヶ月前 | 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).'

約1ヶ月前 | 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...

約1ヶ月前 | 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 ...

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約2ヶ月前 | 0

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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...

約2ヶ月前 | 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 ...

約2ヶ月前 | 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...

約2ヶ月前 | 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...

約2ヶ月前 | 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...

約2ヶ月前 | 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...

約2ヶ月前 | 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...

約2ヶ月前 | 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')

約2ヶ月前 | 0

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

約2ヶ月前 | 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...

約2ヶ月前 | 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...

約2ヶ月前 | 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ヶ月前 | 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ヶ月前 | 1

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