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# Andy

Actif depuis 2009

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Control structures
This is an answer that you could easily have gotten yourself by looking at the Getting Started section of the documentation

environ 9 ans il y a | 1

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Is there a way to run a function every time Matlab returns to its command prompt
If you can get the handle to the command window (I'm sure Yair has done similar things at some point; take a look around <www.un...

presque 13 ans il y a | 0

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Factorization
For any prime p and positive integer n, the factors of p^n are all of the form p^k for 0 <= k <= n. So the factors of 2^1024 ar...

presque 13 ans il y a | 0

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TUTORIAL: How to format your question
Is this tutorial supposed to be just about how to format code, or is it how to use formatting in general? If the latter, then t...

presque 13 ans il y a | 1

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How does Matlab build-in Quasi-Newton method calculate the gradient?
I don't have a direct answer for you, but you can dig into it a little bit further by typing edit fminunc at the command...

presque 13 ans il y a | 0

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Simple calculations?
Perhaps you're looking for res = diff(n1)./diff(n2); %?

presque 13 ans il y a | 0

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data sharing Between two GUIs
Take a look at Matt Fig's <http://www.mathworks.com/matlabcentral/fileexchange/24861-41-complete-gui-examples>, specifically GUI...

presque 13 ans il y a | 0

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replacing blank values in a single column cell array with the previous value
Pending the answer to Sean de's comment, I will assume the first entry is not blank: for ix=2:length(A) if isempty(A{ix})...

presque 13 ans il y a | 2

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Msgbox ico change
It is the third argument, and is described here: doc msgbox EDIT: Ok, I still don't totally understand what you're asking fo...

presque 13 ans il y a | 1

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cell array or multidimensional array?
Obviously it depends: is all of your data numeric, or are the data types mixed? If the data is all numeric, then I'd say stick ...

presque 13 ans il y a | 4

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creating a unique variable for the outputs of a for loop?
Your final multiplication is matrix multiplication, right? In what order should it be done? Assuming it should be done in the ...

presque 13 ans il y a | 1

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Matlab to MPG
Are you sure mpgwrite was a MATLAB function, and not <http://www.mathworks.com/matlabcentral/fileexchange/309 this FEX submissio...

presque 13 ans il y a | 0

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GUI Text box
Well, I suppose you could do something like eval(['x(n)=' get(...)]); Or you could use evalin: doc evalin But ev...

presque 13 ans il y a | 0

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Why do you come to "MATLAB Answers"?
When Answers was first instituted, I didn't really see the need for it in addition to CSSM. But it does seem to have a bit high...

presque 13 ans il y a | 2

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Getting external variables from GUI
Another way is to save your data to a .mat file and load it in your GUI at runtime. Create a 'Load' button in your GUI, with ca...

presque 13 ans il y a | 0

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Creating a matrix that looks similar to a 10x10 timestable grid from x = [1:10] and y = [1:10]
>> x=1:10; >> y=1:10; >> x'*y ans = 1 2 3 4 5 6 7 8 9 10 2...

presque 13 ans il y a | 0

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[DEPRECATED] What frustrates you about MATLAB?
"It is cross platform, making code easy to share (assuming the other people have forked out for the not-so-cheap license)." Thi...

presque 13 ans il y a | 0

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Using unique.m function on NaNs
If you have some application for which you need to ignore NaNs rather than take them into account, you could replace them with s...

presque 13 ans il y a | 0

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Inner function parameters by value or by reference?

presque 13 ans il y a | 0

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Wrong values with greater than, equal and less than or equal functions
<http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_to_zero.3F>

presque 13 ans il y a | 6

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Use the third output of xlsread: [data, txt, raw] = xlsread(...); The "raw" output is a cell array which contains all of...

presque 13 ans il y a | 1

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Do: Check the FAQs. https://www.mathworks.com/matlabcentral/answers/faqs?s_tid=gn_mlc_ans_faqs https://matlab.fandom....

presque 13 ans il y a | 10

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Adding a GUI to existing code
When you say you were "given some code" and you want to "put a GUI into already existing code", do you mean you have a function ...

presque 13 ans il y a | 0

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How to set timer
You might want to take a look at Matt Fig's <http://www.mathworks.com/matlabcentral/fileexchange/24861-41-complete-gui-examples>...

presque 13 ans il y a | 0

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Finding the maximum value without using built-in functions
Before the loop, create a variable called currMax, and set it equal to 0. Within the loop, with each grade that's entered, comp...

presque 13 ans il y a | 0

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GUI Creation
From <http://www.mathworks.com/help/techdoc/ref/uicontrol_props.html>: Editable text – The Value property does not apply. If Ma...

presque 13 ans il y a | 2

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copy graphic to Excel
You could use Yair Altman's screencapture utility from the FEX: <http://www.mathworks.com/matlabcentral/fileexchange/24323-scree...

presque 13 ans il y a | 0

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Problem finding max value of column of an Matrix
The problem you're having is that you recalculate the max of each column on each iteration of the loop. You could move that cal...

presque 13 ans il y a | 1

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How to create a matrix out of single inputs in a loop?
If your grades are entered as strings, you should store them in a cell array: numStudents = 20; % or however many B = cell(...

presque 13 ans il y a | 1

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How to convert string into filename then use load comment to load the file
Have you tried: load [target_file '.mat'] If so, what didn't work the way you wanted? EDIT: It turns out the use of bracket...

presque 13 ans il y a | 1