Community Profile DGM

Last seen: Today Active since 2015

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.

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How can i code for problems which have range
I'm not sure if this is exactly where you're going with your example, but let's say you have a vector and you want to print a me...

alrededor de 13 horas ago | 0

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Getpts with SnapToDataVertex on?
I wouldn't expect datacursor settings to affect anything other than datatips. Nothing in the documentation suggests it should a...

alrededor de 17 horas ago | 0

Plotting a parabola and an ellipse on the same graph
It's not being ignored; it's just so tiny that you can't see it. Change the domain over which you're plotting. x = linspace(-1...

alrededor de 18 horas ago | 0

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How do I create a (10,10) matrix containing numbers from 1 to 100?
If we're posting solutions which are instructive, even if not ideal: A = zeros(10); A(:) = 1:100; A = A.'

alrededor de 21 horas ago | 0

where is the mistake?
If you want it to do what your code implies: w = 'a4jkltr6mramlkrffgajr'; oo(w) function oo(w) if isstring(w) % string...

alrededor de 21 horas ago | 0

How do we shift the cell of a variable and replace it by NaN?
It depends what you mean by "shift". Consider the two examples: x = 20:20:200 a = [NaN(1,5) x] % simply concatenate b = [NaN...

alrededor de 22 horas ago | 0

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How do I rename the .mat files in a for loop?
Since your filenames all have variable-length numbers in them, they won't sort like you expect. If you've already run this code...

alrededor de 22 horas ago | 0

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How can I turn the elements of a cell array into a bar graph?
Here's a start. This will space all the bars evenly, regardless of the date spacing: % create example array t = num2cell(date...

alrededor de 24 horas ago | 0

what does the "-1" means in conditional statement?
Entering the if structure isn't conditional on -1, it's conditional on whether SimGlobal.aSatData(i).sOrbitData.sEphData.PRN is ...

1 día ago | 0

How to remove the number 0 between index1 & index2 ?
Assuming that you're only concerned with zeros between 1 or 2, and that all values are single-digit numbers, here's one way: A ...

1 día ago | 0

How to plot different y values for different x values, provided the x and y values are to be generated in a loop?
This is a start: n=100; b=6.9; r=5; y=(r-1)+0.5; e=0;z=2; U=9000; npoints = 500; a = linspace(4500,U,500); q = 2*pi*a...

1 día ago | 0

Is it possible to change the background color of data tips?
@Ankit is correct. There really aren't any such color properties for datatips. If you like frustration, you can always craft...

1 día ago | 0

Please write a script for summation of 1/k
I don't see why the code you wrote wouldn't work. N = 100; s = 0; % using sum as a name shadows the function sum() for k ...

2 días ago | 0

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How to align of words in matlab legend ?
So long as a variable-width font is in use, you're going to be fighting it. y = rand(3,10); plot(y); % all three strings ha...

2 días ago | 1

I have created an algorithm for a median RGB image filter, however, it doesn't seem to be working.
I don't know why you're using a weighting array that doesn't exist, but since you say this is a median filter, I'm going to assu...

4 días ago | 0

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How to divide a sequence into 8 groups?
I am going to assume that your "data" is a long character vector with no delimiters. v = char(randi([48 57],1,64)) % example ve...

4 días ago | 0

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Why am i getting two different MSE, while using formula and syntax immse?
The reason is that the two images are integer-class. The difference and square may result in data truncation. moving_img = imr...

4 días ago | 1

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image in image using hiding
Here. You either need a much larger host image, or you need to reduce the payload size. The payload can be reduced by reducing...

4 días ago | 0

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how to make my graph in center without moving it or dragging it to the center
There's no need for all this code repetition. The cases should not be nested. Create the unmodified vectors, create the modifie...

4 días ago | 0

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Frosty Filter: To create effect like frosted glass
There isn't really a tool made for this within IPT or base MATLAB. You can certainly roll your own, or you could write a small ...

6 días ago | 1

plotting x y cartesian coordinates
This isn't the core of the problem, but the way you wrote the x and y vectors causes them to be stored as 4x3 matrices. When yo...

6 días ago | 0

Is applying a binary operator (+,-,*,/) to char arrays supported by MATLAB or just a "trick"
MATLAB is a weakly-typed language; consequently, implicit type conversions tend to happen all the time. I don't know where (or ...

6 días ago | 0

How to go back to the input in a if?
This is a start %M=Righe della matrice A m = 4; %N=Colonne della matrice A nrange = [3 13]; % pull parameters out for fle...

6 días ago | 0

How to detect percentage of a color range inside an Image?
Something like this: A = imread('coloredChips.png'); % i just grabbed a picture that had some greens imshow(A) minvalue =...

7 días ago | 0

Mean filter with kernel size
This is a routine uni project. There are a lot of existing examples on the forum. Assuming the filter kernel is rectangular ...

7 días ago | 0

Highest value number in a repeating array of ascending numbers
If those simple rules can be depended upon, then A = [1;2;3;1;2;3;4;5;1;2;3;4;5;6;1;2]; seqpeaks = A(circshift(A==1,-1))

7 días ago | 2

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To save an image using imwrite
You'll need to decide whether you want to scale the data. Toward that end, you'll probably need to decide whether these images ...

7 días ago | 1

"Index in position 2 is invalid. Array indices must be positive integers or logical values" when performing a for loop
MATLAB uses 1-based indexing, so UI(j,0) isn't a valid index. You can just use 1 for the first column. The loop isn't really...

7 días ago | 0