Ned Gulley

Last seen: 3 jours il y a | Actif depuis 2011

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How to get data from web?
URLREAD expects US-style usage of commas and stops in numbers. So in a number like 150,228.17 it will ignore the comma and retur...

environ 7 ans il y a | 0

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Is it legal to publish the source code of Matlab's toolbox functions?
In general, just keep in mind that it’s not okay to take code from MathWorks products and give it away, whether through MATLAB A...

plus de 7 ans il y a | 11

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How to import Excel data from a spreadsheet with cross-file references?
I have an Excel spreadsheet, call it Spreadsheet A, that I want to read into MATLAB. The Import Tool works well for this. Exc...

environ 9 ans il y a | 2 réponses | 0

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regular expressions resources and regular expression problem
Another way to get good at regular expressions is to practice on Cody with <http://www.mathworks.com/matlabcentral/cody/?term=ta...

environ 11 ans il y a | 1

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Single title spanning a nxn subplot
You might want to try <http://www.mathworks.com/matlabcentral/fileexchange/7772-suplabel suplabel> from the File Exchange.

plus de 11 ans il y a | 0

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Function to format number as currency?
Using SPRINTF is the way to go, but getting the commas right is tricky. I turned this into a question for Cody to see what folks...

plus de 12 ans il y a | 1

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How to separate this DNA sequence?
Here's a simple way to chunk your DNA up into codons. Then you can just pull the rows off to get each triplet. >> sequence =...

plus de 12 ans il y a | 2

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Miller Cylindrical Projection
One option is to use the <http://www.mathworks.com/products/mapping/ Mapping Toolbox>, which has a function to do exactly this p...

plus de 12 ans il y a | 0

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How do I get a parameter to resolve when following the '%%' section header definer while using 'publish' command?
Publishing using cell mode markup doesn't permit passing parameters in the way you describe. Section heads can't contain paramet...

presque 13 ans il y a | 0

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getting the variable size value
To find the size, use <http://www.mathworks.com/help/matlab/ref/size.html |size|>. [m,n] = size(X) m = size(X,dim) So t...

environ 13 ans il y a | 0

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Colouring stacked bar chart
Try Brandon Levey's <http://www.mathworks.com/matlabcentral/fileexchange/24021-hatch-fill-patterns-plus-color-invert Hatch fill ...

plus de 13 ans il y a | 0

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Passing data between two different GUI windows
Here's a tricky non-Guide way to do it. Change the data in the text box and press return to plot the data in figure 2. % Ma...

plus de 13 ans il y a | 0

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Can one suppress the display of dataset objects triggered by mouseover (datatips)?
Mike's blog may be of service here: <http://blogs.mathworks.com/desktop/2008/01/28/exploring-your-data-with-datatips/ Exploring ...

plus de 13 ans il y a | 0

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Decreasing scale on graphs
Is this what you're looking for? plot(Times,TDCall) set(gca,'XDir','reverse')

plus de 13 ans il y a | 0

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How do I read Text from HTML file ?
Try something like this: url = 'http://www.example.com/'; html = urlread(url); % Use regular expressions to remove undesi...

plus de 13 ans il y a | 10

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How to implement a neural network feedforward backpropagation network?
A quick Google search turned up this MATLAB-based approach: <http://alumni.media.mit.edu/~faaborg/research/cornell/hci_neuralnet...

plus de 13 ans il y a | 0

Question

How do I write a good question for MATLAB Answers?
I want to get fast and accurate help with my question. What information should I include in the question? How should I phras...

plus de 13 ans il y a | 5 réponses | 12

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Shortest Path
<http://www.mathworks.com/matlabcentral/fileexchange/?dir=desc&sort=downloads&term=authorid:90537 Joseph Kirk> has some files on...

plus de 13 ans il y a | 0

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Simple example which explains contour plotting
Try these pages in the documentation for <http://www.mathworks.com/help/techdoc/creating_plots/f10-2524.html contour>.

plus de 13 ans il y a | 0

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Can we "Watch" Answers?
Take a look at Randy's answer to this question: <http://www.mathworks.com/matlabcentral/answers/233-does-matlab-answers-provide-...

plus de 13 ans il y a | 2

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Eigenvector calculation
When I run the eig command (see help here: <http://www.mathworks.com/help/matlab/ref/eig.html eig>) I don't get any complex eige...

plus de 13 ans il y a | 0

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How do I remove the empty cells from a vector of cells?
Here's one way to do it. strs = {'one','','two','three','','','four',''}; empties = find(cellfun(@isempty,strs)); % ...

plus de 13 ans il y a | 3

Question

How do I remove the empty cells from a vector of cells?
I have a vector of cells which contain strings. Some of the cells in the vector are empty. I want to remove the empty cells from...

plus de 13 ans il y a | 5 réponses | 7

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How do I cut H and E planes from a 3D plot of an antenna radiation pattern?
You might find Eric Ludlam's <http://www.mathworks.com/matlabcentral/fileexchange/764-sliceomatic Sliceomatic> file (from the Fi...

plus de 13 ans il y a | 1

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How do I simplify a symbolic expression into numeric output?
It looks like you've got a symbolic expression. You can substitute real numeric values for x1 and x2 like this: % Defin...

plus de 13 ans il y a | 6

Question

Why does 1 - 2/3 - 1/3 not equal zero?
Try this: >> 1 - 2/3 - 1/3 MATLAB gets the wrong answer: 5.5511e-017

plus de 13 ans il y a | 4 réponses | 8

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How do I turn off the grid in a polar plot?
It's a shame that it's not easier to do this, but here is a Solution that explains how to do it: <http://www.mathworks.com/sup...

plus de 13 ans il y a | 2

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How do I turn off the grid in a polar plot?
For a normal MATLAB plot, I can turn the grid off and on with the |grid| command. x = 1:10; plot(x,sin(x)) grid on ...

plus de 13 ans il y a | 3 réponses | 2

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How to extract leading non-zero digit?
You'll probably need to do some kind of textual manipulation. Here's one way to do it. function y = leadingDigit(x) s = s...

plus de 13 ans il y a | 4

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