# DGM

Hi, I'm nobody.

I don't belong here, but I have nothing better to do.

Matlab used to be part of my work.

Now it's part of my hobbies.

That's pretty sad, really.

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**Content Feed**

Menu command list of colors converted to integers

I know this is part of the other question, but to clarify, the menu() command simply returns the index of the selected element w...

5 hours ago | 0

Convert nested text cell array

I'm sure there's a simpler way, but idk. This will convert to a table. Note that the table columns are cell vectors. This i...

6 hours ago | 0

Loop iteration not working

Consider: x = 1:10 This expression by itself results in x being stored as a vector for y = 1:10 y end y In a loop sta...

8 hours ago | 0

No output from a for and elseif loop

That should be readlines(). P is a cell array of numeric vectors, so address it accordingly. Any assignment to J overwrites th...

21 hours ago | 0

| accepted

Turning an entire script into a function

Try something like this. function [playerwon] = Battleship3(boardsize,numofguess,numships) % playerwon = Battleship3({boards...

1 day ago | 0

Taking a string input and transferring it to a integer

Meh. numbands = 4; colornames = {'black','brown','red','orange','yellow','green','blue','violet','gray','white','gold','silv...

1 day ago | 1

| accepted

Cropping images around the center of an image with a particular size

I don't know how you're getting that huge size. EDIT: I know why. I'll mention that at the end. The code will return a 225x22...

1 day ago | 0

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Remove a "plane" from my 3d plot

You could try to clip off the excess points with NaN and be left with a gap in the surface at the joint, or you could just avoid...

2 days ago | 2

Error in array bounds

% ... % this loop has been simplified to the point that it works % for sx = 0.01:5 % s = [sx, 0, 0; % 0, sx, 0...

3 days ago | 0

How can I add more colors to semilogy?

The colors which are automatically used when plotting things with no explicitly-defined colors are specified by the axes 'coloro...

3 days ago | 0

Sampling pixel intensities according to distance matrix...

Disregarding splitapply() for a moment, the issue of working with non-integers can be avoided by using the histogram tools to bi...

3 days ago | 0

I cant edit the textboxes in app designer. how do i fix this?

This might be related: https://www.mathworks.com/support/bugreports/1797911 https://www.mathworks.com/matlabcentral/answers/41...

4 days ago | 1

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How do I confront the value of a matrix?

I'm not really sure what this is supposed to mean. %(x+y+z):3=value16 What guarantees that the sum of x,y,z is less than 3? ...

4 days ago | 0

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how to place the rectangle for all the blob

The second loop needs to be inside the first one, otherwise it's only going to plot the bounding boxes for the blobs in the last...

4 days ago | 0

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cell array to logical

In order to make a logical array of it, you'll have to specify the conditions where the output is true. Consider two examples: ...

5 days ago | 0

Displaying objects found with bwconncomp

I never really use bwconncomp, but I guess you could do something like this. % create test image A = imread('coins.png') > 8...

5 days ago | 1

Image matrix cell color

Let's say you just want to change one pixel A = imread('peppers.png'); newcolor = [230 50 185]; B = A; B(50,50,:) = newc...

5 days ago | 0

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Sir i am getting error :function isgray has been removed. Please suggest me which version of matlab i should use.

As Steven notes, there are potential ambiguities with trying to do this. In my opnion, isgray() and isind() make some questiona...

5 days ago | 0

Dark Mode editor for MATLAB

Similar to @Jacob Hartzer, I don't think scheming the editor is a sufficient solution. I described my own workaround in this th...

5 days ago | 0

What indicate the values in colorbar?

In the first example, it doesn't mean anything. It's not referring to the image as displayed by imshow(), since imshow() is not...

5 days ago | 1

How to replace every value with the index of the value to the left of it

There's this: x = [ 2 3 4 5 6 ; 8 9 10 11 12 ] idx = reshape(1:numel(x),size(x)); out = [zeros(size(x,1),1) idx(:,1:end-1)] ...

6 days ago | 0

image quadrant one by one and move to next quadrant

This should be a start s = [768 1024]; % generate three masks that can be transformed and combined % to create the desired ...

6 days ago | 0

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How to draw all three plots on the same graph to get the exact graph given in the image?

I'm not sure if you're just after a working plot, or if you're trying to implement the spline interpolation itself. I'm going t...

6 days ago | 0

help with matrix concatenation

I'm just going to post these two examples as an answer. If you want to sample the process at the end of each pass, the struct...

6 days ago | 0

How to replace cell and neighbors that are zero in a matrix with nan

If you have IPT, this becomes a simple segmentation problem: A = [0 0 0 1 0 0; 0 0 0 0 1 0; 0 0 0 2 0 0; 1 0 1 3...

6 days ago | 0

I have a problem with dimensions of vektor and matrix, i do not know why my f vektor is 11x1, it should be 9x1 to be compatible with my matrix A which is 9x9.

The problem is in how you construct x. This looks to me like a classic fencepost error problem, but it's compounded by the fact...

6 days ago | 0

how can I collect all possible combinations of two numbers from a data set in matlab ?

Something like this: A = [1 2 4 8 16 32]; k = 2; B = nchoosek(A,k) C = sum(B,2) Be aware how fast the size of B will incr...

6 days ago | 0

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If loop matrix creation

"Want the matricies for vector that is created to be seperate." What exactly does that mean? I'm assuming "matrices" means "ve...

7 days ago | 0

uigridlayout does not recognize 'fit' as parameter for rowheight

It looks like that was introduced in R2019b https://www.mathworks.com/help/matlab/release-notes.html?rntext=uigridlayout&startr...

7 days ago | 0

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HOW TO CHANGE BINARY IMAGES TO 3D ARRAY (CONVERT TO 3D DIMENSION)

As per Rik's suggestion: % ... % assuming that your dicom images and binary images have same page geometry numframes = 41; ...

7 days ago | 0

| accepted