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

alrededor de 6 años hace | 0

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

alrededor de 6 años hace | 1

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

alrededor de 6 años hace | 1

| aceptada

Respondida
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...

alrededor de 6 años hace | 0

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Respondida
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))),...

alrededor de 6 años hace | 0

Respondida
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 ...

alrededor de 6 años hace | 0

Respondida
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...

alrededor de 6 años hace | 2

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Respondida
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))

más de 6 años hace | 0

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

más de 6 años hace | 0

Respondida
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

más de 6 años hace | 0

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Respondida
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...

más de 6 años hace | 0

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

más de 6 años hace | 0

Respondida
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)...

más de 6 años hace | 0

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Respondida
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...

más de 6 años hace | 1

Respondida
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...

más de 6 años hace | 0

Respondida
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)

más de 6 años hace | 1

Respondida
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...

más de 6 años hace | 0

Respondida
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; ...

más de 6 años hace | 1

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Respondida
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...

más de 6 años hace | 2

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Respondida
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)...

más de 6 años hace | 0

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Respondida
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...

más de 6 años hace | 0

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

más de 6 años hace | 0

Respondida
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....

más de 6 años hace | 1

Respondida
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))

más de 6 años hace | 1

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Respondida
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...

más de 6 años hace | 1

Respondida
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...

más de 6 años hace | 0

Respondida
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...

más de 6 años hace | 1

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Respondida
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') ...

más de 6 años hace | 1

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Respondida
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...

más de 6 años hace | 0

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

más de 6 años hace | 1

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