Statistics
8 Questions
0 Answers
RANK
126 038
of 293 516
REPUTATION
0
CONTRIBUTIONS
8 Questions
0 Answers
ANSWER ACCEPTANCE
50.0%
VOTES RECEIVED
0
RANK
of 20 039
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
RANK
of 148 733
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Feeds
Question
how to find specific columns using vectors
I have a matrix U (n*m) and vectors v(1)-v(m) [not the same size]. I want for every vector to find in the respective row (for ve...
ungefär 10 år ago | 1 answer | 0
1
answerQuestion
calculate values from different matrices
I have a matrix U (n*v). I want for every column to have a matrix that has the number of the non-zero rows. For example U= [1 1 ...
mer än 10 år ago | 1 answer | 0
1
answerQuestion
non zero rows per column
i have a matrix. suppose A=[1 0 8; 0 0 2; 3 0 5; 4 8 0; 0 5 3; 6 1 3; 1 6 5; 0 7 1] and i want to get the non zero rows...
mer än 10 år ago | 3 answers | 0
3
answersQuestion
find non zero elements put in a matrix
i have a matrix and i want to take the row number of every non-zero element per collumn into a new matrix
mer än 10 år ago | 1 answer | 0
1
answerQuestion
how to split matrix by percentage
I have a matrix R(u,v) and i want to split into 2 new matrices M, N. M will be the first 10% of the rows of R and N will be t...
mer än 10 år ago | 2 answers | 0
2
answersQuestion
new array using average row of the old array
I have an array M(1000,1000) and i want to build a new array N(1000,1000), where each element of N has the old value minus t...
nästan 11 år ago | 1 answer | 0
1
answerQuestion
new array using average row of the old array
I have an array M(1000,1000) and i want to build a new array N(1000,1000), where each element of N has the old value minus the a...
nästan 11 år ago | 2 answers | 0
2
answersQuestion
convert an array to a new
I have an array M [100000*3]. I want to create a new array where the one dimension will be the 1st column of the array M, the ...
nästan 11 år ago | 1 answer | 0