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Plotting perpendicular lines but they are not perpendicular.
"But as you can see these do not show up as perpendicular." They are perpendicular: check the axes scales! If you want the X a...

約2年前 | 1

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Swap shape of cell array full of arrays
C = {[1,2,3,4,5], [1,2,3,4,5]; [1,2,3,4,5], [1,2,3,4,5]} F = @(a)reshape(a,1,1,[]); D = reshape(num2cell(cell2mat(cellfun(F,C,...

約2年前 | 0

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How to save current time in file name
You are trying to concatenate STRINGS... and that gives you STRING array with multiple elements, not a character vector nor a sc...

約2年前 | 1

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Find the 137th character in a file?
fnm = 'theNameOfYourFile.txt'; txt = fileread(fnm); txt(137)

約2年前 | 2

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add internal parts of a vector
A = [1;1;1;1;1;3;4;8;1;1;1;2;9;1;1;1;1;4;1;1] X = A==1; Y = cumsum([1;diff(X)>0]); Z = accumarray(Y,X)

約2年前 | 2

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error using system -- "Command argument must be either a nonmissing scalar string or a character row vector. "
"it seems the syntax of the assembled path/file to run is incorrect" True, it is a 1x6 string array. "but I don't know what it...

約2年前 | 2

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interp3 problem: the value of the last sampling coordinate is not match.
"Any insights or suggestions on how to correctly interpolate the profile between p1 and p2 would be greatly appreciated." You a...

約2年前 | 1

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Updating Structure Input for Functions
Do not use nested structures. Definitely do NOT use lots of variables each named after a fruit! Ugh, no. Use a structure array...

約2年前 | 3

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Function returns different outputs with same inputs
The difference is very simple: Here you return FOUR output arguments from your function call: [e0_, e1_, e2_, e3_] = rotations...

約2年前 | 0

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matlab 'unique' is skipping rows with data
The basic problem is that your file is large, and by default READTABLE checks a limited number of rows** before deciding what da...

約2年前 | 1

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Passing functions with fixed input
The MATLAB documentation covers this here: https://www.mathworks.com/help/matlab/math/parameterizing-functions.html See also: ...

約2年前 | 1

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How to fix my attempt to vectorize counts of strings and regexpPatterns in a text file?
SearchTerms = {... 'Term_1', 'Blanket';... 'Term_2', 'blah';... 'Term_3', 'of';... 'Term_4', '(dat|not)\d{1}...

約2年前 | 2

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Localize the third vector position using regexp
txt = fileread('test.txt') rgx = '(?<=Field(\S+\s+){3})\S+'; out = regexp(txt,rgx,'once','match')

約2年前 | 0

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Can you change 0^0=1 to 0^0=0 in Matlab?
b = 0; n = 0; v = b^n v(isequal(0,b,n)) = 0 https://en.wikipedia.org/wiki/Zero_to_the_power_of_zero

約2年前 | 2

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how view the content cell array
C = {' fdfd(fg,54)'}; Some steps to remove nesting of cell arrays at the output: The cell array is superfluous so index into i...

約2年前 | 0

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Quickest way for alternate indexing a vector
u = [5,7,11,13,17,19,23,25,29,31,35,37,41,43,47,49,53,55] v = 5:2:55; v(3:3:end) = []

約2年前 | 1

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extract word before and after character
C = {'input: pilo(52),iko(54)'; 'input:iko(54)'; 'input:pilo(52),iko(54)'; 'input:pilo(52),iko(54),op(23)'} X = regexp(C,'(\w+)...

約2年前 | 1

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Accessing all fields within a struct level at once
"Is this possible to achieve without implementing a loop?" Not really, but you can hide the loop using STRUCTFUN: A.one.includ...

約2年前 | 0

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How can I convert variable size cell structure to column or row data?
C = load('RawCellData.mat').ForbBlocks D = load('DesiredColumn.mat').DesiredRow C(cellfun(@isempty,C)) = {{[]}}; E = vertcat(...

約2年前 | 0

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Convert datetime to datestr without losing milisecond data
"I tried to set the variable type as 'string' to solve the below problem" The best way to import Excel serial date numbers is a...

約2年前 | 1

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Searching a string on a table to get time
"I still have the same issue about searching into all the Comment columns." The MATLAB documentation explains that you can use ...

約2年前 | 0

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Why are my variables saving only Nan entries?
Cal.data_Txx = ((E) ./ (1 - Cal.data_nu.^2)) .* (Cal.data_epsilon_1 + Cal.data_nu .* Cal.data_epsilon_2); Cal.data_Tyy = ((E) ....

約2年前 | 0

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Split array into groups of close numbers
a = [1,2,3,10,11]; n = 2; x = kmeans(a(:),n) c = accumarray(x,a(:),[],@(a){a})

約2年前 | 0

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convert a cell (Rx1 cell) to a vector (Rx1 double)
"but it is not clear to me why it transforms 270x1 cell into a vector 257x1 double" It is easy to check your data (you have bee...

約2年前 | 1

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Loading files by replacing some part of the name with a variable
Do NOT name each variable dynamically. Unless you want to force yourself into writing slow, complex, inefficient, insecure, obfu...

約2年前 | 0

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Array of ASCII Characters to String
Forget about loops and doing everything one-at-a-time as if MATLAB was some poor low-level language. Think in terms of arrays a...

2年以上前 | 0

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error using the function 'splitapply'
S = load('matrix_out_12.mat') % LOAD is better than IMPORTDATA max_matrix_out = max(S.matrix_out(:,2)); max_matrix_out_r = flo...

2年以上前 | 0

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how to know first element in Data struct
arrayfun(@(s)s.data(1),Sis)

2年以上前 | 0

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Convert matrix from 3d to 4d?
Where M is your array: N = permute(M,[1,2,4,3])

2年以上前 | 0

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Readtable importing variables from wrong sheet
ImpOpts = detectImportOptions(FullPath, "Sheet",2); ImpOpts.PreserveVariableNames = true; MeasData = readtable(FullPath, ImpO...

2年以上前 | 0

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