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Fusion of colour PET /MRI image of brain
Important Note: Color is just an perception (Human Eye), color may vary person to person (minor changes in color contrast) There...

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How to merge matrix in a loop?
% Just example A=rand(4,3); B=rand(4,3); C=rand(4,3); D=rand(4,3); data_mat={A,B,C,D}; % Created to handle data easily N=4...

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result=2*magic(3) You have to look for any such possibility for odds too.For any random function or fixed values too, checking...

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How to save the values of variables during each iteration(for loop) in a single variable?
If output is numeric use Array output=zero(1,total iteration); % Pre-allocate the variable for iter i=1:... output(i)=....Cal...

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Can anyone check my code please?
Sufficints Hint: You can also do this in efficient way, I have shown work till D1 and D2, try the rest part yourself A1=randi(...

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How can I extract the numbers divisible by 3 from the diagonal of a nxn matrix composed of random integers?
n=input('Choose the number of lines and columns of the square matrix: ') A=randi([100,1000], n, n) D=diag(A) mat=D(mod(D,3)==...

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How do you write a function that imports data from an .xlsx file and saves the data as a .mat?

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change the color of the pixels that are present in an image
It can be done in multiple ways, use morphological operations or see the regionprops function (very useful). Easyest way for spe...

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Exacting a constant range/window of values from a matrix (skipping one cell each time).
data=rand(1000,1); data(25:25:1000)=[]; temp=length(data)/24; cell_data=mat2cell(data,24*ones(1,temp))

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Crop frames in video and apply it on other frames.
As per question you have already done video to frame splits let's consider im1 and im2 have same size images, rxcx3 unit 8 type....

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How do I plot this series?
Change the upper bound value to any finite number f = symsum(an.*cos(100*n*pi*t) + bn.*sin(100*n*pi*t),n,1,100); %..............

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How to set to zero specific elements of a 3D array?
Here if the voxel element is equal to 4, 5 & 50..so on. , all such voxels element will be replaced by 0 (Zero) data= % #3D Arra...

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How can i get the points within a space defined by vectors (0,0,0), (2,4,1),(0,0,2),(-2,4,-1)?
po=[randi([-2,2]),randi([0,4]),randi([-1,2])]

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How to calculate peak value and duration of signal in Image
There are many threds sillimar quaestions, calculate the FWHM and time duration of the signal, please refer https://in.mathwor...

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How to store a color and location in a matrix?
#Easy way (Not Efficient too) test_image=imread('image_file_name.jpeg'); %Change the image file name with format [rows,clom,ch...

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Finding unique closest point corresponding to latitude and longitude vectors for a given point with shortest distance.
#It can verify from plot too, pls modify as per requirments- PQ=[39.2591200000000 -85.9394200000000 39.2591300000000 ...

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using kalman filter in medical images

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How to convert structure to gray image
Read the individual cell array data element, apply image function % cell_element=.... % image(cell_element) % axis off; You ...

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Merge two arrays w/o for-loop. Speed-up
B1 = [52, 52, 52, 52] B2 = [0.437288188, 0.437288188, 0.437288188, 0.437288188] C=B1+B2

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Using while loop in a video

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Write code to print ten columns of every number between 1 to 10
Read at MATLAB Docs randi function %Hint: data=randi([1,10],[1,10]) %random array-10 columns between 1 to 10 result=repelem(...

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How to generate an array based on the values of another array?
A=[1 3;3 1;2 4;4 3] B=A; A(B==2)=4; A(B==1)=3; A(B==3)=2; A(B==4)=1; A

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How to save multiple vector signals in one variable using wavelet Denoising?
F data can be store in cell array. F=cell(1,60); for i = 1:60; x = y(i,:) ; F{i}= wden(x,'rigrsure','s','mln',5,'d...

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How to smooth and normalize noisy data
Please check the smoothdata Matlab function https://in.mathworks.com/help/matlab/ref/smoothdata.html it can smooth the data i...

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What is the correct way to calculate the average dice score for multiple data in binary image segmentation?
Here>explanation with references https://stats.stackexchange.com/questions/550646/proper-way-to-calculate-mean-dice-coefficient...

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Decode the cryptogram was encoded from 2x2 matrix
"but it keeps saying invalid in the inverse command and I can't figure why" >> X =[5 2; 25 11; -2 -7; -15 -15; 32 14; -8 -13; 3...

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How to change maximum Index value in MATLAB
I re-read the question again- I want to find the maximum pixel (index) for example in above 55 is the maximum pixel (index) th...

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Matlab Extracting X and Y coordinates
Concept wise: cross_index=find(data1==data2); This may not work, if there may floating numbers, in that case you may follow th...

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