A résolu

Get ranking of a combination
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

plus de 12 ans il y a

Problème

Get ranking of a combination
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

plus de 12 ans il y a | 1 | 53 solveurs

Réponse apportée
How do I delete empty array among populated arrays?
You are probably better off not having variables named like this in the first place. <http://www.mathworks.com/matlabcentral/...

plus de 12 ans il y a | 1

Réponse apportée
How to avoid for loops using compact array notation?
I find it very unlikely that this will be the bottleneck in your code. Have your run this through the profiler to confirm that ...

plus de 12 ans il y a | 0

Réponse apportée
How to have random groups( of 2 elements) from a squared matrix?
There are 24 four connected pairs. Three per row, three per column. I would generate a random integer from 1-numel(A) I wou...

presque 13 ans il y a | 0

Réponse apportée
Recognizing shapes in (binary) matrix
If you KNOW that you are either dealing with a line or a circle, then could you look at the MajorAxisLength and MinorAxisLength ...

presque 13 ans il y a | 0

| A accepté

Réponse apportée
find subset of a set
>> all(ismember([1 3], [2 4])) ans = 0 >> all(ismember([1 3], [1 3 2 4])) ans = ...

presque 13 ans il y a | 1

| A accepté

Réponse apportée
Allow Question Markup Capability with fewer Reputation Points
You have those privileges now on your own posts. That is a list of suggested things to do to OTHER people's posts when you ge...

presque 13 ans il y a | 0

Réponse apportée
Sign switching in a sequence
Look at the diff command. It will subtract each element from the next. Look at the sign of that calculation and you will be al...

presque 13 ans il y a | 0

| A accepté

Réponse apportée
How to make a mean image out of several images converted into a density map
The image you are dealing with is really just a matrix of numbers where the numbers represent the density. If every image is th...

presque 13 ans il y a | 0

Réponse apportée
Efficient implementation of a functions with vector arguments
Do not worry about efficiency until you know it is a problem. I think you might be surprised where the bottlenecks in your code...

environ 13 ans il y a | 0

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Réponse apportée
how to customize a colorbar?
Colorbar should not have any bearing on a line plot. Maybe you mean the 'colororder' property of the axes: >> get(gca, 'colo...

environ 13 ans il y a | 0

Réponse apportée
Use of timer: what's the code to indicate that its period of time is expired?
It is not clear what you are asing, but this is a primer on timers. <http://blogs.mathworks.com/videos/2008/05/05/advanced-ma...

environ 13 ans il y a | 0

Réponse apportée
Creating a solid/surface of revolution from discrete data?
The profile you give represents the radius. Set it to whatever you want. Then you can translate the surface by adding a consta...

environ 13 ans il y a | 0

Réponse apportée
How to set background as black without appearing in colorbar?
Axes have color. You could set the color of the axes. Then you can put NaN in the image on any pixel you want to be 'empty'.

environ 13 ans il y a | 0

Réponse apportée
GUI AXES Object detecting
You are looking to set callbacks on the lines. This is similar: <http://blogs.mathworks.com/videos/2008/01/28/practical-ex...

environ 13 ans il y a | 0

Réponse apportée
Check each pixel for a specific color
MATLAB uses ones based indexing. There is no 0,0 element. Try starting at 1,1. A better way is like this: a = [11 22 3...

environ 13 ans il y a | 0

Réponse apportée
Rock, Paper, Scissors GUI?
<http://blogs.mathworks.com/videos/2013/02/06/introduction-to-gui-building-with-guide-in-matlab/ Intro to GUIDE Video> Check ...

environ 13 ans il y a | 0

Réponse apportée
A problem drawing a graph in matlab
Why not use the built in hist command in MATLAB to get a histogram?

environ 13 ans il y a | 0

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Problem changing FaceColor in contourm
It has been my experience that when you see a problem where the code works in debug mode, but not when run all at once, you need...

environ 13 ans il y a | 0

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Réponse apportée
Merge imagesc and plot into same figure
i = magic(10) imagesc(i) imagesc(10:10:100, 10:10:100,i) When you call imagesc, if you do not give an X and Y vect...

environ 13 ans il y a | 0

| A accepté

Réponse apportée
How to get the pixel values of an image in binary form?
>> <http://www.mathworks.com/help/releases/R2013a/matlab/ref/dec2bin.html doc dec2bin> This will give you the binary as strin...

environ 13 ans il y a | 0

Réponse apportée
Multi window Gui problem
<http://blogs.mathworks.com/videos/2011/11/23/passing-data-between-guide-callbacks-without-globals-in-matlab/ Passing data betwe...

environ 13 ans il y a | 1

Réponse apportée
how to implement loops in a sturcture
There is a lot of indexing and confusion going on here. I recommend breaking down the problem into smaller, testable pieces. ...

environ 13 ans il y a | 0

Réponse apportée
Plot figures in property editor mode automatically
http://www.mathworks.com/help/releases/R2012b/matlab/ref/plottools.html These tools will 'remember' how they were configured ...

environ 13 ans il y a | 0

Réponse apportée
how do i retrieve the values from a plotted graph?
>> h = plot(rand(1,3)); >> get(h,'ydata') ans = 0.534064127370726 0.089950678770581 0.11170574419320...

environ 13 ans il y a | 0

Réponse apportée
How to relate or understand this code with math formula?
It looks like it is taking the delta between every vertex in the list and a specific vertex (a or b). It is then squaring t...

environ 13 ans il y a | 0

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A résolu

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

environ 13 ans il y a

Réponse apportée
how can i display the image in GUI??
<http://blogs.mathworks.com/pick/2007/10/16/matlab-basics-setting-a-background-image-for-a-gui/ Video on setting an image in a G...

environ 13 ans il y a | 0

Réponse apportée
What is status for?
To let you know the status, or output of the function. It varies based on each function. Read the doc for each function for de...

environ 13 ans il y a | 0