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Sort Matlab table based on pre-defined order
Try the following: idx = [2 1 3 4]; T(idx,:) = T

etwa 2 Jahre vor | 0

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Check if cell contains only certain combination of variables
You can do this with an "exclusive or" (see xor) where you check that you have exlusively either 'A' or 'B' xor 'C' or 'D', but ...

etwa 2 Jahre vor | 0

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Divide the 3D feature space into grid and then get their labels
Example in 2D % Data x = rand(1,100)*10; y = rand(1,100)*5; r = zeros(size(x)); % group index r(x>0 & x<=5 & y>0 & y...

etwa 2 Jahre vor | 1

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Reformat table with a column as a top row
You can reorganise the data pretty close to what you showed using unstack, but to get the header organised as you have shown wou...

mehr als 2 Jahre vor | 0

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How could I make a callback that updates when the user moves an roi?
This is what I had in mind: interactiveZoomDemo; function [] = interactiveZoomDemo() I = imread('saturn.png'); hf = figu...

mehr als 2 Jahre vor | 0

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How to decrease margins around uibutton in uigridlayout?
Use the ColumnSpacing property: g.ColumnSpacing = 1;

mehr als 2 Jahre vor | 0

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How to create rainbow colormap with violet
Violet is approximately [0.5 0 1] in the rgb space. So we can modify the blue part of the jet colormap, to have a bit more red ...

mehr als 2 Jahre vor | 0

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Save an image from a matrix
Here's one way - convert to an 8 bit array with values between 0 and 255 and then save: I2 = 255*(I - min(I(:))) ./ (max(I(:)) ...

mehr als 2 Jahre vor | 2

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Would it be possible to change the greyscale to a blue scale?
I don't think MATLAB has a blue scale colormap. You could do something custom, like the following. I'll use camerman for illustr...

mehr als 2 Jahre vor | 0

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How to get integer pixel coordinates from roi rectangle?
When used on images, the drawrectangle function uses intrinsic image coordinates (see this documentation) as shown by the x and ...

mehr als 2 Jahre vor | 0

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Assign dimensions for my image. I have an image and I need to give it a length that I know.
The imref2d object is useful for exactly this. Let's have a look at an example: % Example of a Binary image BW = imbinarize(im...

mehr als 2 Jahre vor | 0

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No effect of the FaceLighting property on a single patch?
There are two reasons. First is that you need to add a light object to the axes. To do that, use the light function. The secon...

mehr als 2 Jahre vor | 2

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How can I find distance in a binarized image
I originally answered this for the case of the binary image you represented in png format (this is not technically a binary imag...

mehr als 2 Jahre vor | 2

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how do i deduce the function using linear regression for a set of x and y values?
Consider using a power fit. Your data: x = readmatrix('https://uk.mathworks.com/matlabcentral/answers/uploaded_files/850570/x2...

mehr als 2 Jahre vor | 1

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I need to make a general code
Try this: function [idx,x] = chaoticInterleaver(N) assert(mod(N,8)==0,'N must be divisible by 8.') idx = zeros(N); x = N * (...

mehr als 2 Jahre vor | 0

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Rearrange a correlation matrix into a vector and keep track of the corr names.
You can get the corresponding row and column indices as follows: [iRow, iCol] = find(ind); Then you can get the corresponding ...

mehr als 2 Jahre vor | 0

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Properly centering interquartile ranges on graphed data
You can use the quantile function Your simulation: clc clearvars %Total number of replicates nr=1000; %Time step and lengt...

mehr als 2 Jahre vor | 0

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Converting a 2d array into a 3d array
You could write a linear index for the diagonal elements as follows: [m,n] = size(Z_int) Z = zeros(m,m,n); idx = repmat((1:...

mehr als 2 Jahre vor | 0

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Image cropping in exact cordinate in cell array
You can make the following modification (make sure to place your cellfun calls after the for loop) cropped_imgs = cellfun(@(I) ...

mehr als 2 Jahre vor | 1

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Count instances of subarray inside array
You could do the following: b = A == 2; % binary indicating where A equal to 2 count = 0; ii = 1; while ii < numel(A) i...

mehr als 2 Jahre vor | 0

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remove rows in table based on criteria across two columns
Try the following: T(contains(string(T{:,1}),'80ms,140ms') & T{:,2} ~= 1,:) = []; T(contains(string(T{:,1}),'100ms,250ms') & T...

mehr als 2 Jahre vor | 0

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Clone GitHub repository - Authentication Failed
You need to follow the steps described <https://uk.mathworks.com/help/matlab/matlab_prog/set-up-git-source-control.html#mw_77963...

mehr als 2 Jahre vor | 0

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how do i store for loop values?
There's only one value because your code is working as follows: for ii = 1:3 A = ii + 1 end Matlab is not told where to ...

mehr als 2 Jahre vor | 0

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Cannot obtain structure elements where both field and variable are indexed into
Try the following: students(1).name='john'; students(2).name='andrea'; arrayfun(@(x) students(x).name(1), 1:2).'

mehr als 2 Jahre vor | 0

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I wanted to 3D plot my data like shown in attached image.
Use <https://uk.mathworks.com/help/matlab/ref/surf.html surf()> or doc surf there are several examples at both locatio...

mehr als 2 Jahre vor | 0

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how to convert from grayscale to rgb by lightness method ??
You can do the following: I=imread('peppers.png'); newImage = uint8(( double(min(I,[],3)) + double(max(I,[],3)) ) ./ 2); im...

mehr als 2 Jahre vor | 0

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evaluate rising edge sample of a signal
Is it just the local minima you're having trouble with? Edit: The rising edge is found where the slope of the original data ...

mehr als 2 Jahre vor | 0

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How to marker a fplot(anonymous function) function on a specific point which user enters.
You can add it in at the end of your function using plot: function x=calcDisplacement(t) m=1100; k=570; c=430; x0=0.05; v0...

mehr als 2 Jahre vor | 0

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how to select and save particulat part of a column in mat file?
columns = [2 3 5]; rows = 50:100; x = mydata(rows,columns); save('mydata.mat','x')

mehr als 2 Jahre vor | 1

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How to save data in a vector for each loop indice?
x = 1:0.1:1.5; vec=zeros(size(x)); for ii = 1:numel(x) sol = x(ii)+1; vec(ii)=sol; end vec

mehr als 2 Jahre vor | 1

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