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read mat files with specific and dynamic name format and import data
The best approach is to use the same structure as DIR returns. This has the benefit that the filenames and filedata are automati...

5 years ago | 0

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Answered
How to subtract number inside cell
A = {[32,28,30,31],[27,29,30]}; B = {[30,64,72,85],[15,33,62]}; C = cellfun(@minus,A,B,'uni',0)

5 years ago | 0

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How to take a number inside cell array
A = {[32,28,30,31],[27,29,30],[32,29,31,27,28]}; B = {[30,64,72,85],[15,33,62],[45,62,77,84,90]}; F = @(a,b)b(max(a)==a); C =...

5 years ago | 0

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Answered
How to select array elements based on the elements of another array?
idx = ismembertol(eyetimes,spiketimes,0.02, 'DataScale',1); out = eyetimes(idx)

5 years ago | 0

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Answered
How can I solve an ODE with changing variable over time ?
Replace your Tset function with this: P = 'absolute or relative path to where the mat file is saved'; F = 'name of the mat fil...

5 years ago | 0

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Answered
save for loop variable in workspace
Given that you are apparently incrementing your own loop counter then presumably you have a WHILE loop. In that case, try this:...

5 years ago | 0

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How can I make a variable span multiple functions for nested structuring?
How to make a variable "cyan" (these are called shared variables) is explained here: https://www.mathworks.com/help/matlab/matl...

5 years ago | 0

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Answered
Text file generated using MATLAB has invalid characters in it.
Get rid of the SAVE command. It is not completely clear why you added SAVE, but it is writing binary data into the same file th...

5 years ago | 1

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Answered
Splitting a file into multiple files and need to generate file names from the individual files
whf = fileread('./testsplit.txt'); spl = regexp(whf,'\s+#Z\s+','split'); % more robust than just 'Z' for k = 2:numel(spl) % fi...

5 years ago | 0

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Answered
How to use effectively use the lazy quantifier for regular expression?
regexp('4223594459854','4.*?4','match')

5 years ago | 0

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how to put the same value in a number of lines in the first column of a matrix and different values in the second column (values coming from vectors)
The simple MATLAB approach is to leverage NDGRID: v1 = 1:1:2; v2 = 1:1:4; [m2,m1] = ndgrid(v2,v1); m = [m1(:),m2(:)] Can be...

5 years ago | 1

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How to input image in array?
The simplest solution is to just store the image data in the same structure that DIR returns: S = dir(fullfile(myFolder,'*.bmp'...

5 years ago | 0

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Answered
Delete columns in a structure array
Assuming that the data in f10 is scalar numeric (you did not tell us this important information): idx = [Data.f10]>10; Data = ...

5 years ago | 0

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Answered
Using audioread to read a sequence of files and then combine
Do NOT use EVAL for trivial code like this. Use FULLFILE instead of concatenating text together. P = 'C:\Users\24hr sound anal...

5 years ago | 0

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How to add new cell array into a old struct
[STC_ORE.ore_ton] = ORE_TON{:}; [STC_ORE.x_cent] = X_CENT{:}; [STC_ORE.y_cent] = Y_CENT{:}; [STC_ORE.z_cent] = Z_CENT{:}; ht...

5 years ago | 0

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Answered
Is there a one-line code for this?
A = [1 1;2 2;3 3;4 4;5 5]; A = [A;A+(0:1)]

5 years ago | 1

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Answered
replacing a matrix in loop
Do NOT use a loop for this! Do NOT expand any arrays inside loops! A simpler and much more efficient approach using a comma-sep...

5 years ago | 0

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Create a cell array from matrices using for loop
x1 = rand(10,10); y1 = rand(10,10); z1 = rand(10,10); r1 = rand(10,10); a1 = cat(3,x1,y1,z1,r1); x2 = rand(10,10); y2 = ra...

5 years ago | 1

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Answered
How can I automate the code to run a series of files in a folder?
P = 'G:\.shortcut-targets-by-id\1332UW1v7_g1_AsDgTVQW_dgb0LzbQ4Ni\Elizabeth-Data-Analysis-Spring-2021'; N = 64; % total number ...

5 years ago | 0

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Answered
For loop getting array name
Your approach is leading you up the garden path. It is simpler to use indexing: P = 'absolute or relative path to where the fil...

5 years ago | 0

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How to convert the values greater than one to less than one for a matrix stored in workspace
M = [1.345, 1.678, 2.345, 3.456, 4.456] M = mod(M,1)

5 years ago | 0

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Can I use randi and say random number from 1 to 30 except 8 and 9? (for example)
This is MATLAB, so your first thought should always be to use arrays and indexing: vec = setdiff(1:30,8:9) % or [1:7,10:30] or ...

5 years ago | 1

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Answered
How do you align column in a matrix?
Node = [1,0,0,0;2,100,0,0;3,200,0,0;4,33.3333321,0,0;5,66.6666641,0,0;6,133.333328,0,0;7,166.666672,0,0] fmt = '%3d,%13.9g,%13d...

5 years ago | 0

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Answered
How to separate a string(1x1 cell) into a 1x4 cell
chr = 'A5E6C11D B5E6C11D C5E6C11D D5E6C11D'; spl = split(chr)

5 years ago | 1

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Answered
combine number from cell array and letter to a string
C = {'3','1','4'} S = join(strcat("V",C),"-") % output = string or the old-fashioned way: S = sprintf('-V%s',C{:}); % output ...

5 years ago | 1

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Answered
invalid concatenation of structure with matrix
P = fullfile(folderTest,setTestCur); X = {'*.jpg','*.png','*.bmp'}; N = numel(X); C = cell(1,N); for k = 1:N C{k} = di...

5 years ago | 0

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Answered
ned to turn iterated columns into a single column
Do NOT use EVAL for trivial code like this. Rather than forcing yourself into writing complex, obfuscated code just because you ...

5 years ago | 0

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reshape matrix with variable length to vector
M = [1,2,3;4,5,6;7,8,9] V = reshape(M.',1,[])

5 years ago | 1

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Answered
How to convert a string into a date or datenum?
"... but i cant, since functions like datetime need the numbers separated." I don't see that restriction mentioned anywhere in ...

5 years ago | 1

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How to read the data from .txt file and plot?
Read the error message and follow its advice to use curly-brace subscripting rather than parentheses: data = readtable('rans1_d...

5 years ago | 1

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