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Stephen Cobeldick


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7.343 total contributions since 2014

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Answered
why is the variable order in a user defined function important in lsqnonlin optimisation?
"Why does the order in the self defined function important for lsqnonlin fitting?" In some languages inputs can be specified by...

ongeveer 12 uur ago | 0

Answered
Finding and reporting the variable (Single number) of several with the largest value
The MATLAB approach is to use vectors/matrices (which is where the name MATLAB comes from): V = [0.0076,0.46,0.05]; C = ["A","...

ongeveer 17 uur ago | 0

Answered
Comma separated function output requests
Is this documented? [A{1:2}] = myone(1,2,3,4) % okay [B{1:1}] = myone(1,2,3,4) % okay [C{1:0}] = myone(1,2,3,4) % NARGOUT==0 ...

ongeveer 19 uur ago | 0

Answered
how can i avoid Nan in matlab expression and return 0
"if X is positive it must give 10, If X is negative it must give 5, If X is zero, it must give 0." X = randi([-3,3],1,9) % rand...

ongeveer 23 uur ago | 0

Answered
Sorting operation on a string matrix
s = ["1 9:53.3"; "3 9:23.5"; "5 2:16.2"; "2 2:45.6"; "4 12:01.2"]; [~,X] = sort(str2double(extractBefor...

1 dag ago | 1

| accepted

Answered
Assigning strings from struct variable
Use a comma-separated list: https://www.mathworks.com/help/matlab/matlab_prog/comma-separated-lists.html https://www.mathworks...

1 dag ago | 2

Answered
Textscan Importing Multiple Inputs From One Text File
S = readlines('ResultA3forMatlabv2.txt'); F = @(s)sscanf(s,'%f,'); C = arrayfun(F,S,'uni',0) C{1:3} % the first few lines

2 dagen ago | 0

Answered
Print output if elements of a list match values in a column
A = [1;2;3;4;5;6;7;8;9;10]; B = ["A";"B";"C";"D";"E";"F";"G";"H";"I";"J"]; e = [3;6;8;10]; C = ["A";"A";"B";"F";"D";"H";"C";"...

3 dagen ago | 0

Answered
Why this code gives error?
Exactly as the plot documentation shows, the LineSpec must come directly after the X/Y data: plot(f,20*log10(FFT_abs/max(FFT_ab...

3 dagen ago | 0

Submitted


Hyphenate
Word hyphenation using Franklin Mark Liang's algorithm (aka Knuth-Liang algorithm). Used in TeX.

4 dagen ago | 3 downloads |

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Answered
Save several results from recursive function
In my experience by far the easiest way to achieve this is to use a nested function, something like (pseudocode): function out ...

5 dagen ago | 0

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Answered
Why can't I put the 1x3 matrix into 1x3 variable?
"Why?" Because the square brackets have different meanings on the Left Hand Side (LHS) and Right Hand-Side (RHS) of the equals ...

5 dagen ago | 2

| accepted

Answered
How to use the parameters of other functions within the ‘cellfun’ function?
https://www.mathworks.com/help/matlab/math/parameterizing-functions.html f = @(a)smoothdata(a,'movemedian',100); x = cellfun(f...

7 dagen ago | 0

| accepted

Answered
I would like to compile a text string for each one of the three index of two given arrays
Simpler with compose: XX = [1,2,3,4.96875]; YY = [3,2,1,0]; fmt = "&DEVC ID=''vel_%g'', QUANTITY=''VELOCITY'', ABC=%d,0.0525,...

7 dagen ago | 0

| accepted

Submitted


Next Available Filename
Returns the next unused file or folder name. The name is created by incrementing a numbered suffix.

7 dagen ago | 12 downloads |

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Answered
compare two vectors then insert missing element
Simpler: A=[ 1.000 0.5860 0.01403 2.500 0.7395 0.01277 3.500 0.8450 0.01146 4...

7 dagen ago | 0

Answered
Taking a string from a string array then identifying the characters within that string
A string array is a container class: it contains character vectors. Use curly braces to get the character vectors: w = ["aisle"...

8 dagen ago | 1

Answered
How can I use inputdlg() to store multiple variables and then use those variables in equations for later?
>> C = inputdlg(["m","b","k","x1","x2","F","w0"]) C = 7×1 cell array {'1.2'} {'2.3'} {'3.4'} {'4.5'} ...

8 dagen ago | 0

| accepted

Answered
Problem with vertically Concatenating vectors in a function
Rather than using a loop, a much better use of MATLAB would be to use comma-separated lists: https://www.mathworks.com/help/mat...

8 dagen ago | 0

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Answered
How to create table from struct array
Note that mixing up meta-data (the date) into fieldnames forces superfluous nesting of structures. This poor data design has alr...

9 dagen ago | 0

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Answered
Smallest positive number in MATLAB
eps(0) returns the smallest positive non-zero floating point number, which is denormal: format hex eps(0) Normal and denormal...

9 dagen ago | 2

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Submitted


Customizable Natural-Order Sort
Alphanumeric sort of a cell array of strings, with customizable numeric format.

11 dagen ago | 58 downloads |

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Submitted


Natural-Order Filename Sort
Alphanumeric sort of filenames or filepaths, with customizable numeric format.

11 dagen ago | 335 downloads |

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Submitted


Natural-Order Row Sort
Alphanumeric row sort of a cell array of strings, with customizable numeric format.

11 dagen ago | 23 downloads |

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Answered
Understanding the structfun() or cellfun() commands
Avoiding CELLFUN or STRUCTFUN is simpler and much more efficient: S = dir('*_M.csv'); V = sscanf([S.name],'%f_M.csv')

11 dagen ago | 0

Answered
how can I store chars of a cells with different length in a matrix
C = cell(N,0); for k = 1:N tmp = ... the output of your function (cell vector) C(k,1:numel(tmp)) = tmp; end

13 dagen ago | 0

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Answered
How to run a matlab code for all folders in a directory?
"Is there a way to run tha matlab code for all the folders with automated manner? " Of course, just use DIR. For example: P = ...

13 dagen ago | 1

Answered
How to fscanf a text file of characters to a string array/vector, but not a 1x1 string?
str = readlines('sample.txt')

14 dagen ago | 1

| accepted

Answered
Problem with adding integers
..+(Vehicle9{index(9)})+... % ^ missing DOUBLE

15 dagen ago | 0

| accepted

Answered
read each line a text file using Matlab function
opt = {'Delimiter',{':',' '}}; fid = fopen('data.txt','rt'); nmc = nnz(fgetl(fid)==':'); frewind(fid); fmt = repmat('%s%f',1...

15 dagen ago | 1

| accepted

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