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Encryption of a string
solution: function output=yourfunction(n,e) output=char(double(e)+n) end

plus de 6 ans il y a | 0

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How to calculate cumulative average of every n values in a matrix?
solution: mean100x20=reshape(mean(reshape(A,3,[])),100,[])

plus de 6 ans il y a | 1

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find new matrix whose rows summation is between two integers
solution: B=A(and(sum(A,2)>=130,sum(A,2)<=135),:)

plus de 6 ans il y a | 1

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Remove specific entry in a cell array
solution: element_row{1,1} = [1 10 18 24 31 40 0] element_row{1,2} = [2 11 19 25 32 41 49 -1] element_row{1,1}(end)=[]; ele...

plus de 6 ans il y a | 0

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Fill inner holes in the image
change image.jpeg for the name of your image image=imread('image.jpeg'); mask=imfill(imclose(not(imbinarize(rgb2gray(image))),...

plus de 6 ans il y a | 0

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Load data from mat files to a matrix
if your data is called 1.mat, 2.mat, 3.mat and so on, and in addition each of these data contains a structure called "Data" and ...

plus de 6 ans il y a | 0

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Clear a Matrix from a multidimensional Matrix at each iteration
Matlab needs to make sure that all the indexes include all the values included, therefore it needs to be ":", I leave the soluti...

plus de 6 ans il y a | 2

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How can i find specified numbers in an array without using for loop?
solution: answer=cell2mat(arrayfun(@(x,a) find(ismember(x{:},a)),b,a,'Uni',false))

plus de 6 ans il y a | 0

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Timeseries data in Matlab
try it: [filename,folder]=uigetfile('*.txt','please select your txt file'); a=readtable(fullfile(folder,filename)); time=dat...

plus de 6 ans il y a | 0

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add rows to a 344x2 matrix
Solution: matriz=zeros(344,2) for i = 1:length(a) j = a(i) b = gnbh(j,2) c = [j,b] matriz(i,:)=c; end

plus de 6 ans il y a | 0

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Unable to perform assignment because the left and right sides have a different number of elements
congratulations! ,you did very well, just a few small changes: % Euler's Method % Initial conditions and setup h = 0.1; % s...

plus de 6 ans il y a | 0

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how to sum first 140 elements every time in an (1 * 21000) array
solution: a=rand(1,21000); b=sum(reshape(a,140,[]));

plus de 6 ans il y a | 0

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how can I sort a struct?
solution: x=1:5;%put your x here chr.id=[]; chr.sequence=[]; chr.Si={}; chr.relevant=[]; chr.vic_item = []; len=numel(x)...

plus de 6 ans il y a | 0

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reset the counter in for loop
because the for loop once defined ignores some change in its variable and tries to execute normally, but with this you can solve...

plus de 6 ans il y a | 1

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how to validate that my inputs are not characters
enter1 = true; while (enter1 || ~valid) enter1 = false; choice = input('Would you like to play No Thanks? Enter 1 for...

plus de 6 ans il y a | 0

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Mean of 72720 rows in one column such that I can take mean of 720 rows separately.
data is your 72720 rows in one coloumn mean720=mean(reshape(data,720,[])); figure; plot(mean720)

plus de 6 ans il y a | 1

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can i make a loop for mentioned equation?
It would be something like this : Pb1dis =inf; Pb_dis2=3600; tol=0.0001;%tolerance while abs(Pb_dis2-Pb_dis)>tol Pb_d...

plus de 6 ans il y a | 0

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How can I save data when it is being generated in a loop?
you can check the xlswrite function and also the writetable function: example: a = 5; w = 0.2; ts = 0.1; t = -ts; y = 1; ...

plus de 6 ans il y a | 1

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What does X = max(0,A) mean?
it means that some value less than 0 in matrix A will be replaced by 0 in order to have a matrix whose minimum value is 0, examp...

plus de 6 ans il y a | 2

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How to retrieve last 3 digits from each entry of a matrix of order 3 x 4 ?
solution: A = [35679, 35678, 35677, 35676; 35675, 35674, 35673, 35672; 35671, 35670, 35669, 35668]; last3digits=A-round(A,-3)...

plus de 6 ans il y a | 0

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change numbers in array
you can do this: array = input('Please enter array'); array(array<=0)=nan or this : a=true; while a array = input('Ple...

plus de 6 ans il y a | 0

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Low contrast object detection
I leave you an example: close all RGB=imread('negativo/drone_image.jpg'); BW = (RGB(:,:,1) >= 142 ) & (RGB(:,:,1) <= 178) & ...

plus de 6 ans il y a | 0

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How to initialize an array such that the values satisfies an equation
I leave you a possible solution: L=300; y= -2*(rand(1,L)>0.5)+1;%put your y here alpha=rand(1,L-1); alpha(end+1)=-sum(alpha....

plus de 6 ans il y a | 1

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How to get n number of sample sets each containing m number of elements from a dataset
solution: v1=[1:1000];%put your dataset here n=16; m=4; [~, ind] = sort(rand(n,length(v1)),2); samples=v1(ind(:,1:m))

plus de 6 ans il y a | 1

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how can i fill matrix using a vector?
without repetition : v1=[1 4 8 9 3 6 ]; v2=[v1 zeros(1,4)];% change the amount of 0 to increase the probability in this ca...

plus de 6 ans il y a | 1

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str2func operation
type an expression that is a function of"y"'5*y+5' here there is no problem, remember the expression goes in single quotes...

plus de 6 ans il y a | 0

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how can i fill matrix using a vector?
solution: v1=[1 4 8 9 3 6 ]; v2=[v1 zeros(1,4)];% change the amount of 0 to increase the probability in this case there ar...

plus de 6 ans il y a | 1

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how to create an error message when invalid data is input and then prompt to re-enter the data
person_age = input('Please enter persons age'); while person_age < 1 errordlg('Please input valid number','Error') ...

plus de 6 ans il y a | 1

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Deep Neural Network Training (Non-Image Classification)
For your problem I recommend that you use patternnet example: [x,t] = iris_dataset; %x is 4x150 (4 features,150 samples) , y...

plus de 6 ans il y a | 0

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Create main diagonal with repeated numbers but one exception
solution: n=5; M=diag([0 ones(1,n-1)])+ones(n)

plus de 6 ans il y a | 1

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