# huda nawaf

Professional Interests: signal processing

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**Content Feed**

Question

why gradient and diff return many values?

hello, I need use the derivatives for example in loss function is J(w,b) such that find w=w-α * (∂J/ ∂w) when I used diff ...

1 year ago | 0 answers | 0

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answersQuestion

k-clique for directed networks

*hi, I need k-clique for directed networks, where I looked for overlapped community detection algorithm for directed networks...

3 years ago | 0 answers | 0

### 0

answersQuestion

overlapping community detection algorithm

*Hi all, Please, I badly need function to detect overlapping communities. Thanks for advance*

3 years ago | 0 answers | 0

### 0

answersQuestion

how extract string colum in text file has different formats

*hi I have file has different formats columns,what I need is extracting string column. Textscan function need fixed number of ...

4 years ago | 0 answers | 0

### 0

answersQuestion

problem in execution matlab

*Hi, I'm facing a problem when run matlab I attached img. file about the error I got. Thanks in advance.*

5 years ago | 0 answers | 0

### 0

answersQuestion

are there co-occurrence function?

*hello, I need co-occurence funtion. Thanks for advance*

5 years ago | 1 answer | 0

### 1

answerQuestion

need code of Silhouette

*hi all, can anyone have built Silhouette function, because the evaluateclusters function ( includes Silhouette as evaluation) ...

6 years ago | 0 answers | 0

### 0

answersQuestion

problem with installation matlb2014a

Hi all, I install the matlab 2014a in my laptop but when I open it I got this message error License manager error-114 license...

6 years ago | 1 answer | 0

### 1

answerQuestion

I got message error when add evalclusters function to my ver.

*Hi all, i add evalclusters functions to matlab ver. 2012a but when I ran it, I got this error message:* Undefined variabl...

6 years ago | 1 answer | 0

### 1

answerQuestion

how deal with FASTADATABASE?

*Hi all, I need to know how get the number of fasta files in fastadatabse? thank in advance *

7 years ago | 0 answers | 0

### 0

answersQuestion

Why kmeans gives different results each time?

* *I have square binary similarity matrix show the social relation among users, where o means no relation between two users and...

7 years ago | 2 answers | 0

### 2

answersQuestion

kmeans works with some values of k and not works with other

hi, *I used kmeans(f1, 2) where f1 is square binary matrix, it is work with k=2 but when set k to 3, i got this error I do...

7 years ago | 2 answers | 0

### 2

answersQuestion

error detects in labs in spmd

hi, I have problem with this code , I can not know what is the reason. this error what I got: Starting matlabpool using...

8 years ago | 1 answer | 0

### 1

answerQuestion

parfor and nested loop

hi, can I use parfor with nested loop? for ex. parfor i=1:5 for j=1:2 %%whatever end end should ...

8 years ago | 2 answers | 0

### 2

answersQuestion

semantic analysis tool in matlab

*Hi all, Are there anybody know if there is semantic analysis tool in in any version of matlab ? Thanks in advance*

9 years ago | 0 answers | 0

### 0

answersQuestion

how change the colors with heatmap ?

hi, I used heatmap to show the clusters, but the colors is black and red. how change these colors? thanks

9 years ago | 1 answer | 0

### 1

answerQuestion

Can use seqpdist with non biological sequences?

hi, I'm using equence alignmnet tool in my work. But I deal with nonbiological sequence. I used dynamic programming to do al...

9 years ago | 0 answers | 0

### 0

answersQuestion

why code using parallel processing has longer running time than the other?

hi, I used this simple code using parallel processing to see the effect of using two cores, then I can use parallel processin...

9 years ago | 3 answers | 0

### 3

answersQuestion

why setdiff have time longer than for ?

*hi, Itried to make my code be faster , so i used setdiff instead of a part in my code I used:* v=(1:...

9 years ago | 1 answer | 0

### 1

answerQuestion

measure the time and run of each part

*hi, how can measure the time of each part running in my code, if these parts within loop? i.e I want the total time of each ...

9 years ago | 1 answer | 0

### 1

answerQuestion

can modify this code to be faster?

hi all, Please plaes I badly need help urgently. I built code of associative rules as prdiction algorithm. The code is workin...

9 years ago | 1 answer | 0

### 1

answerQuestion

problem in plot with conditions

hi, I have table with 2000 rows and 3 columns , each sum(row) either be 1 or 2 or 3 I want to map that as graph. where ea...

9 years ago | 1 answer | 0

### 1

answerQuestion

similarity matrix has very large size, how process it without segmenting it?

*hi, I have similarity matrix with size 17770*17770. When process it get out of memory In fact, at first , I got this sim...

9 years ago | 0 answers | 0

### 0

answersQuestion

graph show actions of users with date

hi, if I have dataset consist of users, those users have actions between 1-9-1997 to 1-9-2009. My work require to divide...

9 years ago | 0 answers | 0

### 0

answersQuestion

how rounde no. if third digit after floating more than 5

hi, I want raounded a number, so I read this link about that <http://www.mathworks.com/matlabcentral/answers/37262> But in ...

9 years ago | 2 answers | 0

### 2

answersQuestion

can change the name of txt. file not manually

hi, I have to run the following code sevral times, each time I have to change the name of files , I have to read 2 files and ...

9 years ago | 1 answer | 0

### 1

answerQuestion

convert timestamp include hours,minuts,second to real date

*hi, how convert this timestamp into real date? ex. 1162160236000 datester, datenum do not work with it. than...

9 years ago | 1 answer | 0

### 1

answerQuestion

code without using for

hi, I want code do the following without using for,if let unique_x is a vector t=1; for v=1:length(z) ...

9 years ago | 2 answers | 0

### 2

answersQuestion

how use heatmap to evaluate my algorithm of clustering?

hi, *I want to evaluate my algorithm of clustering, so I want to use heatmap to show my clusters, but I don't know how use it...

9 years ago | 0 answers | 0

### 0

answersQuestion

needlman_wunch algorithm using particle swarm

*hi, Are there anybody have the algorithm of needlman_wunch using particle swarm. or any other method by which we can made...

9 years ago | 0 answers | 0