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Stephen Cobeldick


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7,035 total contributions since 2014

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Answered
How to create matrix 10x10 with same diagonal vector and empry value
M = toeplitz([2,1,zeros(1,8)])

10 hours ago | 0

Answered
sum of row in pattern
Data = [1,4,0.0000; 2,7,0.0000; 3,9,0.0000; 4,5,0.1760; 4,6,0.1580; 5,7,0.3060; ...

13 hours ago | 0

Answered
How to identify partial string duplicates in a table
Actually the identical part at the start of the string is '*Endo', and this is easy to find: >> X = logical(cumprod(all(diff(Ta...

1 day ago | 0

Answered
Organize vector, extract indices
A = [2,4]; B = [2,70,8,29,98,100]; Out = setdiff(1:numel(B),A)

1 day ago | 0

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Submitted


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

2 days ago | 45 downloads |

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Submitted


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

2 days ago | 345 downloads |

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Submitted


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

2 days ago | 21 downloads |

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Answered
How to pass multiple arguments to a function stored in a vector?
The solution is to use a cell array for the input values, for example: C = cell(1,N); for k = 1:N % do NOT use i str = in...

2 days ago | 0

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Answered
Multiple plots in a for loop combined with variable cell arrays
By default every plot call deletes the contents of the figure before plotting the new data. So if you want to call plot multiple...

2 days ago | 0

| accepted

Answered
How can I create a new cell array from a existing array that only holds specific values?
You are defining a scalar cell on the RHS and putting it inside another cell array on the LHS, giving you nested cell arrays. Bu...

3 days ago | 0

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Answered
removing specifics elements from a matrix
acomb_w = [... 1 1 2 1 3 1 4 1 1 2 2 2 3 2 4 2 ...

3 days ago | 2

| accepted

Submitted


Maximally Distinct Color Generator
Generate maximally distinct colors in an RGB colormap.

3 days ago | 59 downloads |

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Answered
Logical comparison (>= to be specific) between each element (row) of a column vector, and all elements inside each row of a matrix having same number or rows, respectively
A = [1,2,3,4,5,6;7,8,9,10,11,12;13,14,15,16,17,18] B = [4;10;16] C = A>=B % requires >=R2016b C = bsxfun(@ge,A,B) % for earli...

3 days ago | 0

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Answered
atan2 not consisent
The reason is a little arcane: negative zero: https://en.wikipedia.org/wiki/Signed_zero The other answers and comments are wro...

4 days ago | 3

Answered
How can i divide data into equal parts?
V = 1:100; C = mat2cell(V,1,[25,25,25,25]); C{1} % C{2}, etc.

5 days ago | 0

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Answered
How to call array with string
Fieldnames are not indices (or atleast, not in the way that you are trying to use them). And writing the app variable, loaded va...

5 days ago | 0

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Answered
Help regarding the Munsell and Kubelka-Munk Toolbox - RGB to Munsell conversion
The function sRGBtoMunsell calls the function xyYtoMunsell which calls the function IsWithinMacAdamLimits . The author wrote som...

5 days ago | 0

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Answered
Why its showing error using vertcat?
I suspect that this line sumx2y= sumx2y + (((x(i))^2)*y); requires indexing into y, e.g.: sumx2y = sumx2y + (x(i)^2)*y(i);

7 days ago | 0

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Answered
Cell contents reference from a non-cell array object.
Each cell of v contains a numeric vector. So your indexing here: v{1}{k+1} = v{1}{k+1}-1 % ^ ^ ^ ^ wrong type of b...

7 days ago | 0

| accepted

Answered
Change 3x1 double to 1x3 double and convert it to a string to insert in text correctly
v = [0;2/3;2/3] num2str(v.') or sprintf('%g %g %g',v)

8 days ago | 0

Answered
Preallocation of a vector of structure
n = 9; P = 'absolute or relative path to where the files are saved'; C = cell(1,n); V = setdiff(1:n,5); for k = V F = s...

9 days ago | 0

Submitted


Convert between RGB and Color Names
RGB to color name. Color name to RGB. Palettes: CSS, HTML, MATLAB, SVG, X11, xcolor, xkcd,...

9 days ago | 47 downloads |

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Answered
How to call data from files named with dynamic index
"select a great number of files for importing (best from a Windows Explorer "open a file" dialog)" If you really have a "great ...

10 days ago | 0

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Answered
Add Variables to workspace from a struct
"My final goal is to export the variables as a .mat file that I would be able to use afterwards for other things" Then creating...

10 days ago | 1

Answered
Storing Multiple Arrays into Larger Array
This is easy if you store all of the data in one cell array (rather than in separate variables): C = {a,b,c,..,p}; % this is ho...

10 days ago | 0

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Answered
delete zero elements from vector
k = nonzeros(k); k(end+1:end+2) = k(end)

11 days ago | 0

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Answered
How to create multiple arrays for multiple outputs of a function in a for loop
In MATLAB it is generally much better to loop over indices, rather than looping over data values: dt = 1e-6; D_targ = 100; v_...

11 days ago | 0

Answered
For loop help!
"... so becase of the amount of data i need a for loop" I doubt that using a loop would be a good approach. V = 1:12; R = 3; ...

11 days ago | 0

Answered
Convert Array of Float to comma delimited string
data = [1,2,3,4]; strjoin(compose("%d",data),", ") % provides formatting control strjoin(""+data,", ") % default formatting

12 days ago | 1

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Answered
How to extract output from function
To get De you could use arrayfun: a=1; b=2; ya=1; m=40; [t,y]=pure(@my,a,b,ya,m) [~,dE] = arrayfun(@(tv)my(tv,y),t) funct...

13 days ago | 0

| accepted

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