Answered
Making a list from two arrays
How about this? A = 'abcd'; B = [1 2 3 4]; fid = fopen('my_txt_file','w'); s = []; for i = 1:numel(A) s =...

10 years ago | 0

Question

When zooming, 3D plotted data exceeds uipanel extent despite axes being clipped
I'm working with a GUI which has a number of uicontrols as well as a set of axes. I would like the user to be able to zoom in on...

10 years ago | 4 answers | 1

4

answers

Answered
How do I update my slider using an edit text?
To make the slider update when the editbox is updated, put the update code in the editbox callback function myEditBox_Callb...

10 years ago | 3

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Answered
Evan, if I want to return back
Disclaimer: Not having experience with GAs myself, I can offer something that will make what you're wanting to do work, but I ha...

10 years ago | 0

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Answered
Dear all , I still need an answer
Is this what you mean? x = [0011741667,0003913892,0014488700,0008746350,0000349066]; s = regexprep(sprintf('%011.6f', ...

10 years ago | 0

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Answered
Image analysis on multiple images
You can use *uigetfile* to load in multiple images at once help uigetfile If the images are all of the same resolution, ...

10 years ago | 1

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Answered
Assign rename of structure with input command
You could use the *eval* command to do this, but *eval* can be problematic and usually should be avoided. If you were fine with ...

10 years ago | 0

Answered
how to sum matrics inside a cell array?
Are all the matrices in your cell array the same size? If so, this should work: % Get random cell array with n cells. Here ...

10 years ago | 2

Answered
creating numerical values from parts of a string read
Another option, using a lookaround operator. A = '0(07/24/2014 10:39:10.21304)' s = regexp(A,'(?<=:)\d+\.\d+','match'); ...

10 years ago | 0

Answered
How can I plot two arrays with different number of columns in one figure with different colours?
Is this what you mean? A = [1:100;rand(1,100)]; % random example data B = [1:4;3*rand(1,4)]; plot(A(1,:),A(2,:),'-g',...

10 years ago | 0

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Answered
image processing using Matlab
*For your first question:* Is this strictly for appearances? If so, does *medfilt2* do what you want? rawImg = rgb2gray(i...

10 years ago | 0

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Answered
How to display warning message withing while loop?
How exactly do you want to display the warning message? Do you want a dialog box to appear? Do you just want a message to appear...

11 years ago | 0

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Answered
Indices to zeros in Matrix
[r,c] = find(A == 0) returns in r and c the row and column indices of *every single zero in the array*. Therefore, you're going ...

11 years ago | 2

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Answered
Read set framents of string.
>> s = 'abcdefghR12X478Y124'; >> X = str2double(regexp(s,'(?<=X)\d+','match')) X = 478 >> Y = str2double(regexp...

11 years ago | 0

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Answered
How to count the number of coins in a image using erosion operator?
You might find Image Analyst's blobs demo to be helpful: http://www.mathworks.com/matlabcentral/fileexchange/25157-image-segment...

11 years ago | 1

Answered
How to convert a 1D vector in number?
>> barcode = [8 9 0 2 0 8 0 0 1 1 4 4 5]; >> n = polyval(barcode,10) n = 8902080011445 Or, without polyval: ...

11 years ago | 1

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Answered
Displaying Files using a Listbox in a GUIDE GUI.
Where exactly are you running into trouble? Posting your relevant code so far might help. As for displaying the files in the lis...

11 years ago | 0

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Answered
indexing cell array of arrays
cellfun(@(x)x(1:K),C,'uni',0) %Where C is your original cell array

11 years ago | 0

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Answered
How to load MAt file into 3D matrix
The answer can be found in the documentation of the *load* function: _S = load(FILENAME) loads the variables from a MAT-file ...

11 years ago | 0

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Answered
how can i simplify this for loop?
Here's how you can get rid of the nested loops: a = []; for i = 1:2 x(1:5) = i; y(1:5) = (1:5) + 1; t = ...

11 years ago | 0

Answered
How do I preallocate this loop?
Here is the loop with preallocation: z = zeros(5,1) % preallocation for i = 1:1:5 z(i) = x(zipfind - 1 + i); ...

11 years ago | 1

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Answered
Read data from string
>> x='abc123(xyz456)'; >> regexp(x,'(?<=\().+(?=\))','match') ans = 'xyz456' This command uses <http://www.ma...

11 years ago | 1

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Answered
How can I display the mirror image of text in a textbox?
Have you tried downloading and installing one of the "backwards" fonts available on many font sites and setting the 'FontName' p...

11 years ago | 1

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Answered
Problem including tolerance and finding value of a certain term
If you're checking for a certain tolerance, you can, after each iteration, see if the value of your most recently calculated ter...

11 years ago | 0

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Answered
Code formatting in the forum
Is there any way to have two levels of permissions for editing another user's question? At the moment, assuming there are no use...

11 years ago | 1

Answered
Find number of zeros in a part of a matrix
A = [1 2 2 2 2 2 0 2 2 2 0 3 0 0 4 5 6 7 0 0 8]; numZeros = sum(~A(5:10));

11 years ago | 1

Answered
How to repopulate popupmenu by deleting old data.
set(popup_handle,'String','') That should do the trick.

11 years ago | 0

Answered
how to print output in gui
You could create a editbox in a figure and display the value there: Example: fh = figure; prompt = {1 3}; eh = uic...

11 years ago | 0

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Answered
Problem with a matlab question
There are multiple ways you can do this. The first involves a *for loop* and, while it might require more lines of code, is prob...

11 years ago | 0

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Answered
importdata vs xlsread to read an excel file
If you want to find out, try timing the operation of each function: tic; xlsread('my_file.xlsx'); toc tic; importdat...

11 years ago | 3

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