Question

How to restore output of for loop in matrix

If i have the code For i=1:10 tmp1=zeros(i,k); for k=1:2 tmp1(k)=sum((sam(i,:)-cen(k,:)).^2); ...

1 year ago | 2 answers | 0

Question

euclidean distance between data matrix and centroids

If i have data matrix (A) 10 × 10 and i calculated the euclidean distance between the matrix A and centroids (tmp1) using k mean...

1 year ago | 0 answers | 0

Question

how to obtain adjacency matrix?

if i have data 1 2 3 4 2 3 5 6 3 5 6 7 in first row the element 1 has a connection with elements 2,3,4. And ...

2 years ago | 1 answer | 0

Question

how to solve the problem of "out of memory"?

i have the following code to calculate matrix s for i = 1:n for j = 1:i % <-- Note the 1:i instead of 1:n s(i...

2 years ago | 0 answers | 0

Question

how can i decrease the running time of for loop

Dear All, I wrote this code to calculate accuracy of my work but this code take about 2days to execution when the input is 50...

2 years ago | 1 answer | 0

Question

how to decrease time of for loop

if I have data X=[1 3; 1 4; 2 3; 2 6] (where max number in X (6) represent the number of nodes) that represent the edges between...

2 years ago | 0 answers | 0

Question

How to calculate adjacency matrix ?

if i have data rearranged as follow 0 1 2 3 1 3 5 7 2 4 6 7 where this data mean that first element of first row ...

2 years ago | 1 answer | 0

Question

how to prepare matrix to clustering

i have a matrix x=0 1 1 0 1 0 0 0 0 0 1 1 1 1 1 0 how to represent each row as a point in 2 dimensional sp...

2 years ago | 0 answers | 0

Question

Calculate the remaining index of my data

If i have x= 1 2 3 4 2 5 1 5 is the index of my data. i want to get on rem...

2 years ago | 2 answers | 0

Question

can you restore my results after using rng'default' command

I was using the rng'default' command in my work and then installed a new version of operating system on my machine then rerun my...

2 years ago | 0 answers | 0

Question

k-medians clustering technique

please, i want matlab code of k-median clustering technique

3 years ago | 0 answers | 0

Answered

farthest first clustering technique

i found it at <http://math.stanford.edu/~yuany/pku/matlab/kcenter.m>

farthest first clustering technique

i found it at <http://math.stanford.edu/~yuany/pku/matlab/kcenter.m>

3 years ago | 0

Question

farthest first clustering technique

please, i want matlab code to implement farthest first clustering technique

3 years ago | 1 answer | 0

Question

Is Bray curtis measure consider similarity measure

the distance (i.e. dissimilarity) between any pair of nodes i and j is bounded in this space: |D(i, IDX(i)) − D(j, IDX(j))| ≤ d...

3 years ago | 0 answers | 0

Question

how to declarate variables to solve this problem

if i have two function first function [label,s] = LSC(data,k,opts) % Set and parse parameters if (~exist('opts',...

3 years ago | 1 answer | 0

Question

how to use for loop to solve this problem

if i have two function the first function use variables "p" and "r" and result s as follow function [label,s] = LSC...

3 years ago | 1 answer | 0

Question

convert adjacency matrix to edge list

if i have this code function el=adj2edge(adj) n=length(adj); % number of nodes edges=find(adj>0); % indices of all e...

3 years ago | 2 answers | 0

Question

how can i set for statement into connected two files

if i have two function in (separated files), first function contain two for statement as { for p= 1: 100} { for r =1: 1...

3 years ago | 1 answer | 0

Question

how to connect two function

in my code LSC i calculate matrix(s) that send to function Accuracy so i want to make loop to variable (r) in LSC function t...

3 years ago | 0 answers | 0

Question

how to use matrix of three variables

firstly i was used matrix s(n x n) where n x n is the size of data in the following code A = yarbb(data,x) coordi...

3 years ago | 1 answer | 0

Question

how to save result of for loop

if i have the function [label,s] = LSC(data,k,opts) for p =1:100; r = 3; . . [label,s] = k...

4 years ago | 1 answer | 0

Question

how to connect two functons in matlab

I am want to connect two functions: In first function(firstf.m),i want to make a 'for' loop to variables p,r then I calculat [s]...

4 years ago | 0 answers | 0

Question

how to use for loop

if i have [s] = function(data,k) if (~exist('opts','var')) opts = []; end p = 30; if isfield(opts,'p') ...

4 years ago | 0 answers | 0

Answered

how to split dataset

n = size(data,1); data_rand = data(randperm(n),:); m = ceil(n/10); k = 1:m:n-m; test = data_rand(k:k+m-1,:); train = [da...

how to split dataset

n = size(data,1); data_rand = data(randperm(n),:); m = ceil(n/10); k = 1:m:n-m; test = data_rand(k:k+m-1,:); train = [da...

4 years ago | 1

Question

how to fixed specific results for times of implementation

Accuracy=off(data,z) for i=1:100 n = size(data,1); data_rand = data(randperm(n),:); m = ceil(n/20); k = 1:m:n-m; te...

4 years ago | 1 answer | 0

Question

how to create efficient test dataset

In my work i split data into training and testing data set, is there a way to choose efficient test data set to improvement my r...

4 years ago | 0 answers | 0

Answered

convert specific vector to vector in one direction

that's right , thank you very much

convert specific vector to vector in one direction

that's right , thank you very much

4 years ago | 0

Answered

convert specific vector to vector in one direction

i have a vector as av=[1 2;5 6;7 8;4 3;9 8;6 7;2 1;6 5;8 7;3 4;8 9;7 6] i want to a=[1 2;5 6;7 8;4 3;9 8;6 7]

convert specific vector to vector in one direction

i have a vector as av=[1 2;5 6;7 8;4 3;9 8;6 7;2 1;6 5;8 7;3 4;8 9;7 6] i want to a=[1 2;5 6;7 8;4 3;9 8;6 7]

4 years ago | 0

Question

convert specific vector to vector in one direction

if i have av=[1 2;3 4;2 1;4 3] and i want the result a=[1 2;3 4]

4 years ago | 3 answers | 0