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Question

How to configure tab completion for my function in MATLAB 2016 ?

In older version of MATLAB, automatic tab completion can be configured through editing TC.xml located in \matlabroot\toolbox\loc...

7 years ago | 2 answers | 1

### 2

answersUsing key presses w/ Radio Buttons in GUIDE figures

Yes, you can certainly achieve this. First, there is a post on <https://www.mathworks.com/matlabcentral/answers/151060-using...

7 years ago | 0

| accepted

Minimal example where you run two loops simultaneously, and programmatically stop/switch a for-loop or while-loop or update the information inside those loops, while they are executing.

for t = 1:1000 im = getCamImage() roi = determineROI(im) if roi == 1 v = 1; while t < 1000 ...

7 years ago | 0

how do I print a txt file of integers and floats?

Well, you'll have to print it line by line: for ii = 1:n fprintf(fid, '%d %f \n', A(ii), B(ii)); end

7 years ago | 0

Gaussian ring in 2d

I suppose you're looking for Laplacian of Gaussian ( Mexican hat )filter ? It fits your description. You can get a laplacian of ...

7 years ago | 0

Problem solving a set of equations with multiple variables.

Writing an equation solver on your own would be a tremendous undertaking. There are two easier ways: 1. Use Symbolic Math Too...

7 years ago | 0

| accepted

How to call a sub function written in GUI from another GUI?

A similar question has been asked before. Please see the link : <https://www.mathworks.com/matlabcentral/answers/338-how...

7 years ago | 0

Calling Matlab GUI popupmenu callback on click

This question has already been asked before and there's a rather detailed explanation. Please see the link : <https://www.ma...

7 years ago | 0

GUI window size different on platform with same screen resolution

The most likely scenario is that you two are running different versions of MATLAB. The graphics system underwent a major overhau...

7 years ago | 0

Interactive replot when variable changes

This is where a GUI program can help you. GUI program is event-driven and can listen and respond to a user's action. Concept...

7 years ago | 0

Create a for loop for a function

MATLAB is case sensitive. Your function call should match exactly your function definition.

7 years ago | 0

MATLAB cannot find jsonlab library during run time

I recommend you follow the procedures listed in the following page : <https://www.mathworks.com/help/matlab/matlab_env/add-re...

7 years ago | 0

How to combine the elements of several identical cell structure ?

Ok. Here's a solution for you : Tau = struct; for ii = 0:9 data = load(['Tau@09_n1000_c', num2str(ii), '.mat']); ...

7 years ago | 2

| accepted

calculate the normal vector of a 2D image

Is this what you're looking for ? <https://www.mathworks.com/help/matlab/ref/surfnorm.html Compute and display 3-D surface n...

7 years ago | 1

| accepted

Checking inequality condition for each component of a vector.

Unlike Python, you can't use multiple inequality expression in MATLAB. You'll have to do this : -0.1 < vec & vec < 0.1 ...

7 years ago | 1

| accepted

Can I use a vector as index variable for a loop?

Well, you can't use loop variable that way. You can use nested for loop to assign new loop variable for the inner for loop. For ...

7 years ago | 0

How can i repeatedly store a smaller matrices after manipulations in a specific place of a larger matrix.

Here's a solution (apparently this will only work with a square matrix) : im_result = zeros(size(im_original)); % S...

7 years ago | 0

how to quantify multicolor images ?

Here's a solution img = imread('Picture1.png'); imh = imshow(img); % Create a mask using freehand ROI h = imfree...

7 years ago | 1

| accepted

how to access an array using a string?

You can store data in a structure s = struct; s.var1 = z(9698:9797); s.var2 = z(23298:23397); s.var3 = z(...

7 years ago | 2

Question

Why do UI control objects in GUI disappear during/after plotting ?

I made a GUI using GUIDE in R2014b. It contains an axes for plotting and many UI controls, such as push buttons and popup menus....

9 years ago | 1 answer | 0

### 1

answerHow to speed up surf plot for thousands of objects ?

Thanks, guys. I tried reducing the number of faces and it didn't really make a difference. Changing the command surf to ...

9 years ago | 1

Question

How to speed up surf plot for thousands of objects ?

I want to plot thousands of objects in 3d using surf plot. My code looks like this % src is an m x 3 matrix. Each row is...

9 years ago | 3 answers | 0

### 3

answersHow to update handles structure from a helper function in GUIDE ?

After playing with it for a quite a while, I found a solution to my own problem. Since the problem is that the GUI function call...

10 years ago | 0

Question

How to update handles structure from a helper function in GUIDE ?

I wrote an image browser using GUIDE (Matlab 2014a). Originally, one of the function callback looks like this, and it worked. ...

10 years ago | 2 answers | 0