Shorten description of multiple fields and values in struct
Either use CELL2STRUCT: % Fake data: Varnames = cellstr("X"+(1:18)); VarDec = randi(9,5,3,18); % Convert to struct: C = num...

25 dagar ago | 1

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replace values in char array if conditions are met
C = {'00','15','30','45','00','15','30','45'}; V = str2double(C)/60; V = V+cumsum([0,diff(V)<0])

25 dagar ago | 0

Turning 2D array (58x23) into 4D array (58x1x23x1)
"I can't get any further than the above dimensions" It is not clear what the problem is: are you expecting trailing singleton d...

26 dagar ago | 1

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How to check if a variable exists and if yes display the variable.
"Why can't I check if this exists?" Of course you can, you just need to use function syntax and not command syntax: https://ww...

26 dagar ago | 1

Replace negative values with zero and values above 1 with 1, using loop in a 8760 x 1000 matrix
Much simpler and more efficient than using loops, where A is your array: ltz = sum(A<0,1); gto = sum(A>1,1); B = max(0,min(1,...

26 dagar ago | 3

Common substring index from two string arrays
a = ["frame01", "frame02", "frame03"]; b = ["capture00.jpg", "capture01.jpg", "capture02.jpg", "capture03.jpg", "capture04.jpg"...

26 dagar ago | 0

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less than against less or equal than
"Can someone tell me what is going on" Exactly as the comparison tells you, the value stored in that variable is greater than t...

26 dagar ago | 0

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Array prealocation - Extra array of zeros in 3D array
windows3D = nan(2000,5147,0); or use actual preallocation: N = size(eegDataNorm,1); windows3D = zeros(2000,5147,N); for k = ...

26 dagar ago | 0

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How to convert a char array field in a struct array to a string field in a vectorized fashion.
S = struct('code',{'CO128','TX457'}); S.code % checking tmp = num2cell(string({S.code})); [S.code] = tmp{:}; S.code % checki...

30 dagar ago | 0

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Create a matrix using rand function with a value range
0.004*rand(50,50)

ungefär en månad ago | 0

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for loops and storing values
"what can i do to solve this?" Use indexing into a preallocated array: c = nan(46,4); % <--- preallocate! for h = 1:23 f...

ungefär en månad ago | 1

I am getting error
You need to use array operations, not matrix operations (you missed this for multiplication): https://www.mathworks.com/help/ma...

ungefär en månad ago | 0

Error with matrix "Error using vertcat" Dimensions of arrays being concatenated are not consistent.
The problems are on these lines: 0 0 0 0 -1 0 1 0 0 mp*AG4x-Fp4x(1,i) 0 0 0 0 0 -1 0 1 0 mp*AG4y-Fp4y(1,i) Because AG4x and A...

ungefär en månad ago | 0

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How to normalize only one column of a matrix
normalize(X(:,2),'range',[0,1]) or simply rescale(X(:,2)) If you want to replace the data in the matrix then allocate the fun...

ungefär en månad ago | 0

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I need to write a code to import multiple csv files, changing delimiter and decimal standard...
Use READMATRIX and set the Delimiter and DecimalSeparator to values that suit your file.

ungefär en månad ago | 0

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merging workspace from different .mat files
"I think the problem ive run into is my files contain the same variable names..." That is not a problem at all, actually that i...

ungefär en månad ago | 0

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Why doesn't this function declaration work?
You are missing a closing parenthesis here: concentrations(n-i-1) = maxconc*(1/factor^(i-1); % ...

ungefär en månad ago | 1

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Using sprintf to match the results of format
Introduced in R2021a: https://www.mathworks.com/help/matlab/ref/formatteddisplaytext.html format short str = strtrim(formatted...

ungefär en månad ago | 0

How to code with for loop loops without using ndgrid?
As this is clearly homework, this should get you started: inp = {1:2, 3:4, 5:6}; [A,B,C] = ndgrid(inp{:}); A1=reshape(A,[],1)...

ungefär en månad ago | 0

Expected Behavior for contains()?
Exactly as its documentation explains, CONTAINS returns a logical TRUE where pat (second input) is found anywhere within the str...

ungefär en månad ago | 0

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How to perform operations on time matrices
a = [0,2.3450,3.4570;1,3.4670,4.8750;2,4.6350,5.8350] m = a(:,2:end)-mean(a(1,2:end)); [~,x] = sort(m<0,1); for k = 1:size(m,...

ungefär en månad ago | 0

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Finding consecutive zeros in an array. Not able to solve using diff command
a = [0,0,1,1,-1,0,0,0,1,1,1,-1,0,0,1,-1]; d = diff([false,a==0,false]); b = find(d>0); e = find(d<0); m = max(e-b)

ungefär en månad ago | 0

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Incorrect results from intersect when entering imaginary numbers

ungefär en månad ago | 0

Trouble Reading Multiple .csv Files. "Intermediate dot '.' indexing produced a comma-separated list..." Error.
DataID(i).AxialStrain = DataID(i).RawData(1:ending,1); % ^^^ you need this index every time you ref...

ungefär en månad ago | 1

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loop on handles on GUI
fnm = sprintf('checkbox%d',i); handles.(fnm)

ungefär en månad ago | 1

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how to read files with different name using fid
fnm = sprintf('pfoil_1_var_1_%d.raw',i); fid = fopen(fnm,'r');

ungefär en månad ago | 1

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Sorting Nested Structures based on Name
As far as I can tell, your actual goal is to sort the elements of all structures based on the content of their NAME field. Assu...

ungefär en månad ago | 0

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