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Question
Is it possible to generate specific random numbers?
The generation of unique random numbers is done simply through randperm. example function idx=RandNumberSequence(Key,N) % us...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Is it possible to vectorize this?
I want to find the most occurring element in the matrix in column wise excluding zeror elements. e.g if A = [1 2 0 3 4 6; 9 3 4...
environ 5 ans il y a | 3 réponses | 1
3
réponsesQuestion
Is it possible to vectorize this ?
A matrix A(100x1000) a selective column defined in B(1x1000). The required processing is the mean of non zero elements of each c...
environ 5 ans il y a | 2 réponses | 0
2
réponsesQuestion
How to return multiple values by colfilt?
A matrix A 1000x1000, needd to be subdivided into patches of 5x5 (let us called B). then B is processed by subdividing it int...
environ 5 ans il y a | 1 réponse | 0
0
réponseQuestion
Is it possible to find a seed to generate given set of integers?
Given certain ranfom integer numbers defined over [1 N]. Is it possible to find a SEED that is cappable of doing the inverse op...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How can we plot pixel difference histogram accurately?
function PDH(img1,img2) diffImage2 = imfilter(img2, [1, -1]); diffImage1 = imfilter(img1, [1, -1]); minValue1 = min(diffImage...
plus de 5 ans il y a | 1 réponse | 0
1
réponseA résolu
Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
plus de 5 ans il y a
A résolu
Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...
plus de 5 ans il y a
A résolu
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...
plus de 5 ans il y a
A résolu
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
plus de 5 ans il y a
A résolu
Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]
plus de 5 ans il y a
A résolu
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
plus de 5 ans il y a
A résolu
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
plus de 5 ans il y a
Question
How can we accurately estimate execution time?
Dear Matlab provides several functions choosing one depends mainly upon execution time. So how we can estimate processing time ...
plus de 5 ans il y a | 1 réponse | 0
1
réponseHow to Vecrorizing conditional vactor mapping problem?
r=A.*3; r(r==0)=1; t1=repelem(B,r); t2=repelem(A,r); t3=t1.*t2; t3=dec2bin(t3)' c=regexprep(t3,'111','001'); c=c-'0'; c(...
plus de 5 ans il y a | 0
| A accepté
Question
How to Vecrorizing conditional vactor mapping problem?
Dear, A is a binary vector its values correspond to the number of times to repeat the corresponding number drawn from the vect...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to Speedup conditional vector elements replacement?
Dear, a is a vector its values correspond to the number of times to repeat the corresponding number drawn from the vector b. f...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How can I speedup this for loop and ismember?
Due to the large size of the arrays, the following suffers from extremly slow execution. Is it possible to speedup this code. V...
plus de 5 ans il y a | 1 réponse | 0
1
réponseismember function too slow
A=[1 2 3 4 5 6 7 8 9 10]; B=[3 4 9]; tt=ismember(B,A); if sum(tt)==3 Do Something; else Do Something; end
plus de 5 ans il y a | 0
