Question

How do I get help on homework questions on MATLAB Answers?
There are many students that come to MATLAB Answers looking for help with their homework. Some students make their question inte...

environ 15 ans il y a | 8 réponses | 23

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Shannon fano coding
It appears that on the IF statement line, you have a comment that is not preceded by the % symbol.

environ 15 ans il y a | 0

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data sharing Between two GUIs
<http://blogs.mathworks.com/videos/2005/10/03/guide-video-part-two/> Watch this video about data passing in GUI design in MAT...

environ 15 ans il y a | 0

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Colorbar axis scaling
The key is to have the right number of elements in yTick: x=1:41; clc; t=x; clf; for i=1:41 plot(t(i),x(i),'...

environ 15 ans il y a | 0

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How do I make a function read all the images in a directory?
<http://blogs.mathworks.com/pick/2008/02/26/matlab-basics-getting-a-directory-listing/ Watch this video>

environ 15 ans il y a | 1

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MATLAB for Ipad?
MathWorks has a general policy of not discussing future products or features.

environ 15 ans il y a | 1

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How to print a matrix as an uncompressed image file.
Have you tried IMWRITE?

environ 15 ans il y a | 0

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How to vectorize the find function?
Why vectorize? Just add another for loop for the rows.

environ 15 ans il y a | 0

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Data Cursor
If you can get data to the command window, then you can use XLSWRITE to bring it to Excel.

environ 15 ans il y a | 0

| A accepté

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Contour treats data as continuous, can it be treated as discrete?
It sounds like you are treating these three regimes as three unordered categories, not three ordered categories. Think of wha...

environ 15 ans il y a | 1

| A accepté

Question

When to break the MATLAB rules?
I am planning a new video for <http://blogs.mathworks.com/videos>. It will be about when to "break the rules". _*I am lookin...

environ 15 ans il y a | 4 réponses | 3

4

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Mesh colormap problem
The figure poping up is very likely from a GCA or GCA in the code somewhere. Start systematically walking through the code line...

environ 15 ans il y a | 0

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For new matlab/simulink users, do you know about the (interactive) video tutorials?!
<http://blogs.mathworks.com/videos/> 250+ videos by Doug "Not Stuart" Hull

environ 15 ans il y a | 1

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how can i measure the frequency of a periodic signal in real time?
Alex, There are many parts to this question. # getting external signal # calculating the peaks # do you need to reject n...

environ 15 ans il y a | 0

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please help me to rewrite this code correct
Let us do a little test for typical inputs to this line of code: *x1=x0 - f \diff(f);* >> f = [1 2 3] f = ...

environ 15 ans il y a | 0

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passing data between two different gui window using guide
http://blogs.mathworks.com/videos/2005/10/03/guide-video-part-two/

environ 15 ans il y a | 0

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DQPSK Demodulation
Here is the change in the code: for i=1:length(DQPSK_Sig) if(i==1) theta(i)=angle(DQPSK_Sig(i)); else theta...

environ 15 ans il y a | 1

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Direction of display of loop
t = linspace(0,2*pi); x = cos(t)*sqrt(5); y = sin(t)*sqrt(5/2); comet(x,y)

plus de 15 ans il y a | 0

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plot multiple eval output
This is a bad idea as shown here: <http://www.mathworks.com/matlabcentral/answers/143-how-do-i-make-a-series-of-variables-a1-...

plus de 15 ans il y a | 1

| A accepté

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Permutation/shuffling of number sets
A = [1 2 3]; n = length(A); swapIndicies = dec2bin(0:(n^2)-2); numericSwapIndicies = (swapIndicies == '1')

plus de 15 ans il y a | 0

| A accepté

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Can I speed this code up, looking for similarity between two 3-d matrices.
Is there a way that |convn| can be used to do this? I don't know the details, but I think it might help.

plus de 15 ans il y a | 0

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Saving Figure using saveas() function
If you have the image as a matrix that you used in |IMSHOW|, then |IMWRITE| directly on the matrix should work.

plus de 15 ans il y a | 0

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What programming challenges would you pose to new users?
Given vectors _X_, _Y_ of the same length and scalar _lev_, Make a plot like this <<http://tinyurl.com/5u4qwcb>> Where: * d...

plus de 15 ans il y a | 2

Question

What programming challenges would you pose to new users?
What projects would you give to take a person from no MATLAB knowledge to a greatly improve their MATLAB knowledge? I am lookin...

plus de 15 ans il y a | 8 réponses | 4

8

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What is missing from MATLAB?
The most effective way to put in an <http://blogs.mathworks.com/desktop/2008/01/14/making-a-feature-request/ enhancement reques...

plus de 15 ans il y a | 10

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How to name an array or series of arrays in a pattern?
Please do not do this! See this question: <http://www.mathworks.com/matlabcentral/answers/143-how-do-i-make-a-series-of-va...

plus de 15 ans il y a | 3

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How do I program a callback on a UICONTROL?
You need to make a function that will update your graph. Once you have done that, set the callback of the button to that functi...

plus de 15 ans il y a | 0

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uitable - get data from numeric and logical cells altogether
K>> set(handles.uitable2,'data',{2, true, 't'; 3, false, 'h'}) K>> get(handles.uitable2,'data') ans = [2] [1]...

plus de 15 ans il y a | 0

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How do I write a good answer for MATLAB Answers?
Use good code formating

plus de 15 ans il y a | 6

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How do I write a good answer for MATLAB Answers?
If it has been asked and answered before, link to it.

plus de 15 ans il y a | 2