Answered
Matlab round the values and find function can not give the exact result(index)?!
"I used this expression format longE to consider the actual values" format longE does not show the "actual values", it just sho...

5 years ago | 0

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Answered
Import data from bpmn file into one string/char value Matlab
The simple solution: https://www.mathworks.com/help/matlab/ref/fileread.html str = fileread(...);

5 years ago | 0

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Answered
Getting extra parameters from ODE45 and the mystery transpose
Using the OutputFcn is a complex way to get the Fs values. The simpler approach is to run the ODE solver normally, and then run...

5 years ago | 0

Answered
Normalizing RGB coordinates in an image
You did not take into account the integer class that you are using. Most likely the image data is uint8, which supports values ...

5 years ago | 0

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Answered
dynamically save a matrix to a structure
Do NOT use eval for trivial code like this. That approach is slow, complex, inefficient, and not recommended. Rather than messi...

5 years ago | 0

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Answered
Conditionally select from array of struct by membership of a list in struct element
X(1).Members = [1,2]; X(1).Name = 'Group 1'; X(2).Members = [2,3]; X(2).Name = 'Group 2'; F = @(n)arrayfun(@(s)any(s.Members...

5 years ago | 0

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Answered
Can I somehow improve performance of str2double?
The fastest conversion uses low-level commands, e.g. sprintf and sscanf. Instead of this: C = {'1.2','3.4','5.6'}; V = str2dou...

5 years ago | 7

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Answered
How to sort one array based on the order of a second array?
As far as I can tell, the order of Q is irrelevant. A = ["1a","1b","1c","1d","1e","2a","2b","2c","2d","2e"]; % sorted B = ["A1...

5 years ago | 1

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Answered
Reshape array such that boundaries remain the same
x = [0, 1, 2, 1, 0]; y = [0, 0.5, 1, 1.5, 2, 1.5, 1, 0.5, 0]; xnew = interp1(x,linspace(1,numel(x),numel(y)))

5 years ago | 0

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Answered
Why am I getting "Array indices must be positive integers or logical values" error?
Consider this indexing: x1(i-j+1) What value does it have on the last iteration of the j loop? (hint: zero). i-j+1 % that ind...

5 years ago | 1

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Answered
Get unknown variable from mat-file
Given only one variable saved in the mat file: tmpC = struct2cell(load(filename)); myVar = tmpC{1}; Do not worry about the t...

5 years ago | 2

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Answered
Extracting the numbers from file names and listing them in a column
C = {'Rpma26siatBz 9.500000 Bx 0.000000mT WWait 2.000000Sec.Bzat9.5mT83.png',... 'Rpma26siatBz 9.500000 Bx 100.000000mT WW...

5 years ago | 0

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Answered
sum contents of array in groups of 10
Where V is your 1x3001 vector: M = sum(reshape(V(1:3000),10,[]),1)

5 years ago | 0

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Answered
How to append for each iteration not using cells?
Replace yield(p) = [yield(p); {helper(k)}]; with yield = [yield; helper(:)];

5 years ago | 0

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Answered
How to solve preallocating speed of a variable?
One simple solution is given here: https://www.mathworks.com/help/matlab/matlab_oop/creating-object-arrays.html "To preallocat...

5 years ago | 1

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Answered
Undefined function 'split' for input arguments of type 'char'
The function split was introduced in R2016b, so you will not be able to use it with R2013a. You can probably replace that line ...

5 years ago | 0

Answered
Accessing data from a struct cell
Assuming that your structure is named S, you can loop over it like this: for k = 1:numel(S) plot(S(k).data) % default plot...

5 years ago | 0

Answered
Convert cell array to vector
S = load('timestamps.mat'); T = vertcat(S.ans{:}) M = seconds(mean(diff(duration(T,'InputFormat','hh:mm:ss.SSS'))))

5 years ago | 0

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Answered
Create a Slanted Linspace Matrix
hankel(1:4,4:7)

5 years ago | 0

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Answered
Maximum number of repeated values over an array
a = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9]; x = cumsum([true;diff(...

5 years ago | 1

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Answered
How to compare letters if they are same
Rather than building maps by hand, I would get Python to do the heavy lifting, e.g.: baz = @(v)char(v(1)); % only need the firs...

5 years ago | 0

Answered
How to convert time stamp 11:21:17.155 into seconds in MATLAB??
The most efficient solution: a = '11:21:17.155'; b = [60*60,60,1]*sscanf(a,'%f:')

5 years ago | 0

Answered
Is it possible to make a loop where the the result is separate from the loop and have the result respectively with the input?
Use a cell array to store the data: p = 'Quantity of product you have bought today: '; n = str2double(input(p,'s')); c = cell...

5 years ago | 0

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Answered
"If function" can't distinguish i ~= 1.6.
"This weird thing only happens when i=1.6." Nothing weird happens: you generate binary floating point numbers using two differe...

5 years ago | 1

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Answered
replacing loop with cell of index values
s = 1:100; c{1} = 1; c{2} = 1:5; c{3} = 2:2:10; out = cellfun(@(x)s(x),c,'uni',0); out{:} A well-written (i.e. correctly p...

5 years ago | 1

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Answered
Colors in Matlab as a vriable
Perhaps something like this: M = [1,0,0;... red 1,1,0;... yellow 0,1,0]; % green X = strcmpi(Auto.Farbe,{'red','ye...

5 years ago | 0

Answered
Opening multiple .csv files using readtable
% opts is unchanged D = 'C:\Users\krist\OneDrive\Documents\MATLAB'; S = dir(fullfile(D,'*.csv')); for k = 1:numel(S) F =...

5 years ago | 2

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Answered
How to create matrix with other matrixes by joining them?
a = [1 2 3]; b = [4 5 6]; c = [7 8 9]; d = [10 11 12]; res = reshape([a;c;b;d],2,[])

5 years ago | 2

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Answered
saving the data in a variable
"...how to change the name of the file when matlab saves it" That is easy: https://www.mathworks.com/help/matlab/import_export...

5 years ago | 0

Answered
How to iterate over cell array, creating only unique combinations of cells
data = {1,2;3,4}; n = numel(data); m = nchoosek(1:n,2) % each row is one combination pair. out = data(m) % output [idr,idc] ...

5 years ago | 0

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