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...

14 years ago | 8 answers | 23

8

answers

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

14 years ago | 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...

14 years ago | 0

Answered
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),'...

14 years ago | 0

Answered
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>

14 years ago | 1

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

14 years ago | 1

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

14 years ago | 0

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

14 years ago | 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.

14 years ago | 0

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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...

14 years ago | 1

| accepted

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...

14 years ago | 4 answers | 3

4

answers

Answered
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...

15 years ago | 0

Answered
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

15 years ago | 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...

15 years ago | 0

Answered
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 = ...

15 years ago | 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/

15 years ago | 0

Answered
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...

15 years ago | 1

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

15 years ago | 0

Answered
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-...

15 years ago | 1

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

15 years ago | 0

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Answered
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.

15 years ago | 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.

15 years ago | 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...

15 years ago | 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...

15 years ago | 8 answers | 4

8

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Answered
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...

15 years ago | 10

Answered
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...

15 years ago | 3

Answered
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...

15 years ago | 0

Answered
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]...

15 years ago | 0

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

15 years ago | 6

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

15 years ago | 2