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

oltre 6 anni fa | 0

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

oltre 6 anni fa | 1

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

oltre 6 anni fa | 1

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Risposto
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...

oltre 6 anni fa | 0

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Risposto
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))),...

oltre 6 anni fa | 0

Risposto
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 ...

oltre 6 anni fa | 0

Risposto
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...

oltre 6 anni fa | 2

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Risposto
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))

oltre 6 anni fa | 0

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

oltre 6 anni fa | 0

Risposto
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

oltre 6 anni fa | 0

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Risposto
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...

oltre 6 anni fa | 0

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

oltre 6 anni fa | 0

Risposto
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)...

oltre 6 anni fa | 0

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Risposto
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...

oltre 6 anni fa | 1

Risposto
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...

oltre 6 anni fa | 0

Risposto
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)

oltre 6 anni fa | 1

Risposto
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...

oltre 6 anni fa | 0

Risposto
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; ...

oltre 6 anni fa | 1

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Risposto
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...

oltre 6 anni fa | 2

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Risposto
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)...

oltre 6 anni fa | 0

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Risposto
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...

oltre 6 anni fa | 0

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

oltre 6 anni fa | 0

Risposto
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....

oltre 6 anni fa | 1

Risposto
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))

oltre 6 anni fa | 1

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Risposto
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...

oltre 6 anni fa | 1

Risposto
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...

oltre 6 anni fa | 0

Risposto
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...

oltre 6 anni fa | 1

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Risposto
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') ...

oltre 6 anni fa | 1

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Risposto
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...

oltre 6 anni fa | 0

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

oltre 6 anni fa | 1

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