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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...
meer dan 4 jaar ago | 1 answer | 0
1
answerQuestion
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...
meer dan 4 jaar ago | 3 answers | 1
3
answersQuestion
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...
meer dan 4 jaar ago | 2 answers | 0
2
answersQuestion
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...
meer dan 4 jaar ago | 0 answers | 0
0
answersQuestion
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...
meer dan 4 jaar ago | 1 answer | 0
1
answerQuestion
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...
meer dan 4 jaar ago | 1 answer | 0
1
answerSolved
Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
meer dan 4 jaar ago
Solved
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 ...
meer dan 4 jaar ago
Solved
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 ...
meer dan 4 jaar ago
Solved
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
meer dan 4 jaar ago
Solved
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...
meer dan 4 jaar ago
Solved
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 ...
meer dan 4 jaar ago
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 ...
meer dan 4 jaar ago | 1 answer | 0
1
answerHow 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(...
meer dan 4 jaar ago | 0
| accepted
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...
meer dan 4 jaar ago | 1 answer | 0
1
answerQuestion
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...
meer dan 4 jaar ago | 1 answer | 0
1
answerQuestion
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...
meer dan 4 jaar ago | 1 answer | 0
1
answerismember 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
meer dan 4 jaar ago | 0
