Answered
Is there any way to print values to more decimal places using fprintf?
As the FPRINTF documentation explains, you can specify the number of decimal digits: est = pi; fprintf('The value claculated f...

4 years ago | 0

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Answered
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...

5 years ago | 1

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Answered
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])

5 years ago | 0

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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...

5 years ago | 1

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Answered
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...

5 years ago | 2

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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,...

5 years ago | 3

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

5 years ago | 0

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Answered
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...

5 years ago | 0

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Answered
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 = ...

5 years ago | 0

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Answered
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...

5 years ago | 1

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

5 years ago | 1

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Answered
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...

5 years ago | 1

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

5 years ago | 0

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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...

5 years ago | 0

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Answered
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...

5 years ago | 0

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Answered
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.

5 years ago | 0

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Answered
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...

5 years ago | 0

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

5 years ago | 1

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Answered
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...

5 years ago | 1

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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)...

5 years ago | 1

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

5 years ago | 0

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Answered
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,...

5 years ago | 0

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Answered
Operate by logical arrays element by element (error: Unable to perform assignment because the left and right sides have a different number of elements.)
a = [1,nan]; b = [8,9]; x = isnan(a); a(x) = b(x)

5 years ago | 0

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Answered
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)

5 years ago | 0

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Answered
Incorrect results from intersect when entering imaginary numbers
A = readmatrix('data1.txt') B = readmatrix('data2.txt') C = intersect(A,B,'rows')

5 years ago | 0

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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...

5 years ago | 1

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

5 years ago | 1

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

5 years ago | 1

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Answered
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...

5 years ago | 0

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Answered
Find the index of an interval of values in cell array
index = cellfun(@(x) 500<x & x<956, SS, 'uniform', false);

5 years ago | 0