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# Stephen Cobeldick

##### Last seen: Today
6,169 total contributions since 2014

Suspensa Vix Via Fit

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How to pass a matrix (m, 1) to (m / 2.2)
>> reshape(V,2,[]).' ans = 1 2 3 4 5 6

2 days ago | 1

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How to generate 1 cross zero structure in Matlab??
B = reshape(A,1,0)

2 days ago | 1

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How to call a created function in a different function
Download my FEX submission num2ordinal and use it together with func2str: function out = myNewFunc(fun) val = str2double(regex...

4 days ago | 0

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flip an array with the use of vectors
"Any suggestions?" Use indexing (which in MATLAB starts from 1): >> a = [1,7,5,9,3,2,4,1] a = 1 7 5 9 3 2 4 ...

6 days ago | 0

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Using Read Table with a predefined Table size
Accessing files via the OS is slow, note that creating an intermediate file requires accessing a file minimum three times. A sim...

6 days ago | 1

How can I dynamically index into a nested struct that contains cell arrays
Essentially you are attempting to write a MATLAB parser using MATLAB. Such a task is not trivial, but for a very limited subset ...

6 days ago | 0

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How can I delete two or more elements in a vector?
>> A = [1,1,2,3,10,7,10,1,5,3]; >> U = unique(A); >> Z = U(histc(A,U)==1) Z = 2 5 7

7 days ago | 1

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inputs of multi-variable functions?
"Is there a right order for input variables in a function?" Yes: MATLAB function inputs are positional: The 1st input provided...

7 days ago | 0

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how to rearrange cell array with the grouped sequence
>> C = {21,3,'1';31,2,'1 1';25,1,'2 2 1 1'} C = [21] [3] '1' [31] [2] '1 1' [25] [1] ...

8 days ago | 0

How to simplify code which reads multiple files
You don't need to repeat the entire code, just the dir call is enough: theFiles = [... dir(fullfile(myFolder, '*ABC*.csv')...

8 days ago | 0

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imshow not working when going from unit8 to double
Most likely because you did not scale the image when you converted the type. uint8 images are treated as having values from 0 t...

9 days ago | 0

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Looping a function with different inputs and storing multiple outputs.
The very simple solution is to loop over indices, and not over data (like you are doing): V1 = 0.5:1:2.5; % data! V2 = 0.5:1:2...

9 days ago | 1

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Save and Load .mat files with different names that numerically go up automatically. Maybe in a for loop?
"...as long as there is a way to load multiple of these in one go, without them all overwriting each other as fvalagg" This is ...

9 days ago | 1

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How to use cellfun?
fun = @(x,y) fminbnd(@(c0)objfunc(y,deg(c0,x,'other input parameters')),cm,cM); [C,V] = cellfun(fun,XM,YM,'Uni',0)

9 days ago | 1

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Anonymous function to calculate a sum
>> fun = @(x,n) x + sum(x.^(2:2:2*n) ./ factorial(2:2:2*n)); >> fun(3,5) ans = 12.066 Compare against your expansion: >> x ...

9 days ago | 2

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how to open such files "File B -ASCII" saved from MATLAB?
The -ASCII option saves a double array as a text file with space delimiters. This means: Any text editor can open that text fil...

9 days ago | 1

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How to read rows of data in .csv file and turn them into arrays?
Notes to consider when importing a large file: Importing as character and then doing any kind of text manipulation before conve...

9 days ago | 0

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Submitted

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

Display Value of a Slider in a text box without GUIDE
If you want the slider to update something (text, plot, anything) as it moves, then you will need to add a listener: https://ww...

10 days ago | 0

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Parula color on matlab 2013a
https://www.mathworks.com/help/matlab/ref/colormapeditor.html

10 days ago | 1

Startup path issue creating variable errors
"How is it possible that I don't have a startup.m file on a clean install" Because it is a clean install: MATLAB does not creat...

11 days ago | 0

Function is not reading input from main script
You need to parameterize your function calls: https://www.mathworks.com/help/matlab/math/parameterizing-functions.html You nee...

11 days ago | 0

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'combnk' enumeration of combinations
>> [X,Y,Z] = ndgrid([-1,0,1]); >> M = [Z(:),Y(:),X(:)] M = -1 -1 -1 -1 -1 0 -1 -1 1 -1 0 -1 -1 0 ...

11 days ago | 0

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Problem with if-elseif when conditions contain several strings
"So I don't need a solution, but an explanation, why this occurs..." The first thing to do when trying to understand what your ...

11 days ago | 1

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How to read a specific number in a text file containing a mixture of strings and numbers?
The regular expression doesn't need to be so complex: >> chr = webread('http://tgftp.nws.noaa.gov/data/observations/metar/decod...

11 days ago | 0

How to load multiple specified variables in a specified mat file？
Your code does not make much sense: you added single quotes around the variable name (making it a literal string), you removed t...

11 days ago | 0

If B is a matrix,what is the difference between B(1:end) and B(:)
Given a matrix B: B(1:end) uses linear indexing. The size of the output is the same as the size of the index (which in your exa...

12 days ago | 2

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Variables accessible in unrelated files?
"Can someone explain to me how this is possible..." Because you have written scripts. Scripts share the same workspace that the...

13 days ago | 0

How to extract elements form a vector in order to create an unknown number of sub-vectors?
Here is one simple approach based on diff, cumsum, and accumarray: >> M = [2.24;2.28;2.31;0.99;1.44;1.44;1.44;1.44;2.12;2.25;2....

13 days ago | 1

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