# RADWAN A F ZEYADI

**Statistics**

RANK**259,263**

of 262,849

REPUTATION**0**

CONTRIBUTIONS

**26** Questions

**2** Answers

ANSWER ACCEPTANCE **
7.69%
**

VOTES RECEIVED**0**

RANK

of 17,992

REPUTATION**N/A**

AVERAGE RATING**0.00**

CONTRIBUTIONS**0** Files

DOWNLOADS **0**

ALL TIME DOWNLOADS**0**

RANK

of 113,823

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

**Content Feed**

Question

how can compute a marginal distribution?

ihave a matrix with 60 rows and 5 coloumns an iwant tocompute the marginal distribution

3 months ago | 1 answer | 0

### 1

answerQuestion

how can i compute correlation coeff and RMSE on box plot?

hi i have some parameters i would like to compute the correlation coeffecent and root mean square error between them and plot ...

5 months ago | 0 answers | 0

### 0

answersQuestion

how can i compute the probablity for 2 prorperties?

Hi i have 2 properties in matrix withe dimension 51 71 how can i compute and plot the marginal probabilites between them?

6 months ago | 0 answers | 0

### 0

answersQuestion

how can i compute std 2d

Hi iwould like to ask how can i obtain std along all the rows and columns as culored image that explain the values of std th...

6 months ago | 1 answer | 0

### 1

answerQuestion

problem with matrix dimension

Hi i have matrix (51*500) contain values for som properties but i want to put thi atrix along horiziontal axis for 80 position ...

6 months ago | 1 answer | 0

### 1

answerhow can i split mtrix to three ?

thank you just the last thing i have 2 vectors and i want to compute the Confidence intervals 95"% for both of them how could be...

7 months ago | 0

Question

how can i split mtrix to three ?

hi i have matrix m=153*71 i need to extract from it 3 matrices with dinsion 51*71 ?

7 months ago | 3 answers | 0

### 3

answersQuestion

how can i compute the stander diviation and confidence intervales for a matrix?

i have matrix 51 rows and71 columns and i would like to compute and plot the result of std also i need to compute the confidence...

7 months ago | 1 answer | 0

### 1

answerQuestion

how can i use mvnrnd function?

Hi i have used this function in order to generate gaussian random numbers this funtion needs to define the mean and mu wich is...

7 months ago | 1 answer | 0

### 1

answerQuestion

how can i change the dimension of the matrix?

hi i have matrix 51 500 3,how can i change it to 153*500 g=51 500 3

7 months ago | 3 answers | 0

### 3

answersQuestion

Index in position 2 exceeds array bounds. Index must not exceed 1.

Hi, i am tried to obtain output of dpre 51*71*3 i applied for loop but out put still 51 1 3 any help please Vpsim, Vssim, Rhosi...

8 months ago | 2 answers | 0

### 2

answersQuestion

i have got this warning Warning: Matrix is singular, close to singular or badly scaled. Results may be inaccurate. RCOND = NaN.

when i call the function i got the warning specially after the second iteration

8 months ago | 0 answers | 0

### 0

answersQuestion

from python to matlab

i have python code how can i translate it to matlab? thank you

8 months ago | 1 answer | 0

### 1

answerQuestion

How can i perform the for loop in this case?

Hi , i try to perform for loop but doesnt work as well ,the idea is my data is 153*1 i have exracted it from 3d array because ...

8 months ago | 1 answer | 0

### 1

answerhow can i solve this ?

thank you just i want to obtain 51*71*3 such as original data

9 months ago | 0

Question

how can i solve this ?

i am trying to compute predicted data in order to compare it with original one, the out put of the function that i use is 51*71*...

9 months ago | 2 answers | 0

### 2

answersQuestion

How can I solve this issue?

Unable to perform assignment because the size of the left side is 153-by-1 and the size of the right side is 51-by-1-by-3. I sh...

9 months ago | 1 answer | 0

### 1

answerQuestion

why do i got this error?

Unable to perform assignment because the size of the left side is 153-by-1 and the size of the right side is 51-by-1-by-3. d =c...

9 months ago | 2 answers | 0

### 2

answersQuestion

How can i perform for loop in this case?

Hi i have matrix with dimension 51*1 i would like to obtain 51*71 *3 because the function that i dealing with the output is ...

9 months ago | 1 answer | 0

### 1

answerQuestion

how can i obtain just the real part instead of immaginary part ?

i want just the real part from these vlaues knowng that Name Size Bytes Class Attributes Vpsim ...

9 months ago | 1 answer | 0

### 1

answerQuestion

how can i truncte a matrix?

how can i truncate matrix with 51*500 to 51*71?

9 months ago | 2 answers | 0

### 2

answersQuestion

How can i apply standard diviation to the matrix?

i have model with 51*71 how can i compute the standard diviation and the confidence intervals?

9 months ago | 1 answer | 0

### 1

answerQuestion

how can i obtain this?

HI ihave data with dimension 153*1 and i want to perform for loop in order to obtain 153*71 where 71 is position along horizio...

9 months ago | 2 answers | 0

### 2

answersQuestion

How can i obtain column vector from 3d matrx

Hi every one i would like to obtain a vector with dimension 153*1 from 3d array with dimension 51*71*3 ? thank you

10 months ago | 1 answer | 0

### 1

answerQuestion

why do i recive Index in position 2 is invalid. Array indices must be positive integers or logical values

Hi every one i have tried to implement for loop in order to compute the model the idea is how can i compute this model at the ...

10 months ago | 1 answer | 0

### 1

answerQuestion

How to decompose 3d array to 3 matrices

Hi every one i have a 3d array with dimension 51*71*3 and i want to obtain column vector 153*1 d=(51*71*3) n=d(:,:,1) so no...

10 months ago | 1 answer | 0

### 1

answerQuestion

How can i write this equation: d = obs + sqrt(alfa*Cd^0.5)*randn(nd, ne)

Hi everyone I have a problem with this equation in MATLAB: d = obs + sqrt(alfa*Cd^0.5)*randn(nd, ne); % where the diminsion ...

10 months ago | 1 answer | 0

### 1

answerQuestion

Why do I receive this message errorr ?

Array dimensions must match for binary array op this is the message error that i have obtained when i tried to perturb my data ...

10 months ago | 1 answer | 0