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Kenneth Eaton


Hellebore Consulting Group, LLC

Last seen: 약 2년 전 2008년부터 활동

I'm a seasoned biomedical researcher and software developer with expert knowledge of computational biology, object-oriented programming, image processing, statistical analysis, and user interface design. I've been programming for over 30 years, having cut my teeth on BASIC and Logo when I was 10.

You can often find me on Stack Overflow answering MATLAB questions: http://stackoverflow.com/users/52738/gnovice

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How do I skip items in a legend?
Starting in R2021a, you can leave an item out of a legend by setting the corresponding label to an empty character vector. For e...

11달 전 | 95

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Error using FreezePanes in Excel
You could try setting the property with a logical value, since it expects a Boolean type: Excel.ActiveWindow.FreezePanes = true...

3년 이상 전 | 0

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What matlab easter eggs do you know?
As <http://blogs.mathworks.com/steve/2006/10/17/the-story-behind-the-matlab-default-image/ Steve discussed in one of his blog po...

5년 이하 전 | 19

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I am trying to use the function imfill() but it does not run and the following message is displayed: Undefined function or variable 'eml_assert_all_constant'. I can't find such fuction in MATLAB documentation.
If you use the function <https://www.mathworks.com/help/matlab/ref/which.html |which|> like so: which iptcheckconn -all ...

5년 이상 전 | 3

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Why is subsref and subscripted reference not equivalent
Not sure if this is a complete answer, but it appears that invoking subsref directly requires a stricter definition of the outpu...

6년 이하 전 | 1

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Hump-day challenger - Recursion
My first attempt: function index = find_index(M,V) switch numel(M) case 0 index = []; case 1 ...

12년 이하 전 | 1

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How can i remove the sky from this image. (About background removal question)
I'm unclear how <http://www.mathworks.com/help/techdoc/ref/zeros.html ZEROS> is to be used for this problem, but you could do it...

12년 이하 전 | 3

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How do I generate a given Matrix in one command?
I can't believe no one suggested dilation: A = imdilate(eye(5),ones(2)); Or convolution: A = sign(conv2(eye(5),ones(2),'s...

12년 이하 전 | 3

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Slice thickness information lost when using dicomwrite()
I think your problem may be the missing capitalization of the "t" in the name |SliceThickness|. Notice that all the fields in th...

12년 이하 전 | 0

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How do I save and restore the state data in a GUI?
<http://www.mathworks.com/matlabcentral/fileexchange/24861-41-complete-gui-examples 41 Complete GUI Examples> from Matt Fig on t...

12년 이하 전 | 1

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Hump-day puzzler.
In response to Andrew's extra challenge for a solution in which |BLANK| returns |true|, here's an absolutely insane one: func...

12년 이하 전 | 3

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Hump-day puzzler.
Here's a pretty goofy answer: true) fprintf('I Love '); end; if (false

12년 이하 전 | 6

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What programming challenges would you pose to new users?
Designing simple GUIs can introduce newer users to a number of important concepts. For example... *Challenge:* Create a stopwa...

12년 이하 전 | 2

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How to make a list of user's reputation ? :)
Here's yet another variation that uses Walter's idea of going through the pages of questions, fetching the question links, then ...

12년 이하 전 | 3

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How to compare two different cell arrays ?
The <http://www.mathworks.com/help/techdoc/ref/setdiff.html SETDIFF> function does what you want. It will give you the values in...

12년 이하 전 | 11

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How do I write a good answer for MATLAB Answers?
I'm generally in favor of pointing out when a key edit (i.e. correction) has been made to an answer for the following reasons: ...

12년 이하 전 | 5

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Using find in a 3d matrix in MATLAB.
When finding values in multidimensional (i.e. greater than 2-D) arrays using the function <http://www.mathworks.com/help/techdoc...

12년 이하 전 | 28

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Declaring 'many' variables from work space into function workspace
Yet another option is to design your function to accept a <http://www.mathworks.com/help/techdoc/ref/varargin.html variable leng...

12년 이하 전 | 0

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MATLAB xlswrite function
The reason? Because <http://www.mathworks.com/help/techdoc/ref/xlswrite.html#bsnsz_b-13 the documentation> says so! ;) Excerpt:...

12년 이하 전 | 1

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Outputting to string
You can do this using the function <http://www.mathworks.com/help/techdoc/ref/eval.html EVAL>: for i = 1:3 eval(['var_' i...

12년 이하 전 | 2

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How to solve symbolic system of equations?
Easy, use the <http://www.mathworks.com/help/toolbox/symbolic/solve.html SOLVE> function: >> S = solve(Eqs) S = a:...

12년 이하 전 | 0

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Need help writing a datacursormode Text Update Function to display high, low, close, date, & volume data as a Datatip on a plot made with the highlow function of the Financial Toolbox.
Since you want your data cursor to display data that is not on the plot, you will have to put that data in a place that the Text...

12년 이하 전 | 2

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Compute opponent colour of RGB values
If you are talking about a <http://en.wikipedia.org/wiki/Opponent_process color opponent process>, I figured out a simple functi...

12년 이하 전 | 1

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Grayscaled Images to RGB
If |img| is your grayscale image, stored as a 2-D |uint8| array, you can create a red version by making |img| be the red color p...

12년 이하 전 | 3

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Output of delaunay function
As per <http://www.mathworks.com/help/techdoc/ref/delaunay.html the function documentation>, the matrix |tri| returned from DELA...

12년 이하 전 | 2

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Working with a three dimensional matrix
If you're asking how you would index |k| in your loop to get a 2-D submatrix, you would do the following: l = k(:,:,i);

12년 이하 전 | 1

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clearing an instance of a structure variable
You can remove an element from a structure array the same way you can remove an element from any other type of array: a(1) = ...

12년 이하 전 | 2

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How to generate symbolic variables dynamically at run-time?
You can generate your system of equations from a matrix of zeroes and ones using just the <http://www.mathworks.com/help/toolbox...

12년 이하 전 | 2

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Problem saving/loading structure with function handles
In the documentation for <http://www.mathworks.com/help/techdoc/matlab_prog/f2-38133.html#brfp2ff-1 Saving and Loading Function ...

12년 이하 전 | 2

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How can I find what parameters are in an inline function.
You can use the ARGNAMES function (which is a method for inline objects) to get the arguments of the inline function as a cell a...

12년 이하 전 | 2

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