# M.Shaarawy

**Statistics**

**MATLAB Answers**

**16** Questions

**0** Answers

RANK**95,802**

of 273,243

REPUTATION**0**

CONTRIBUTIONS

**16** Questions

**0** Answers

ANSWER ACCEPTANCE **
18.75%
**

VOTES RECEIVED**0**

RANK

of 18,450

REPUTATION**N/A**

AVERAGE RATING**0.00**

CONTRIBUTIONS**0** Files

DOWNLOADS **0**

ALL TIME DOWNLOADS**0**

RANK

of 122,643

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 to delete similar data from big data file?

I have a big data file consists of 100000 rows and 5 columns ..and within this file there rows that are similar to each other,so...

3 years ago | 2 answers | 0

### 2

answersQuestion

How to add the color bar as the same in the attached image?

Hi, I want to add the colorbar like that in the following image, as when using h=colorbar('southoutside') it appears as part of...

3 years ago | 0 answers | 0

### 0

answersQuestion

How to solve the following error when using PSOGWO to optimize an objective function ?

I am using PSOGWO algorithm to optimize the following function: function f = simple_fitness_two_bodies(x) load ww2b.mat; % ...

3 years ago | 0 answers | 0

### 0

answersQuestion

How do I add borders to the imagescan as in the attached image?

4 years ago | 0 answers | 0

### 0

answersQuestion

How to solve this error when using PSOGWO to optimize an objective function?

When I run the code of PSOGWO to optimize the following function :- function f = simple_fitness_two_layers(x) load gh2b.mat;lo...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to use PSO (Particle swarm optimization) to optimize objective function containing two terms one of them kmeans clustering?

Hi I used PSO before to optimize an objective function.Now I have an objective(fitness) function containing two terms; one of ...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to solve the concatenation error in matrix?

I have a linear system Gm=d and I want to add equality constraints to this system in the form Fm=h ; to solve at the end this ...

4 years ago | 0 answers | 0

### 0

answersQuestion

I want to create a figure with dimension r1 and r2 like in the attached figure? and then connect the two points r1 and r2 with a line like the line 2a.?

<</matlabcentral/answers/uploaded_files/129056/model.jpg>>

4 years ago | 0 answers | 0

### 0

answersQuestion

I have a large linear system of equations in the form Ax=b where A has very large condition number , now I want to reduce the condition number of this matrix?

Ax=b where A is kernel matrix With dimension 250*250.. I want to reduce the condition number of this matrix

5 years ago | 0 answers | 0

### 0

answersQuestion

How I can use Bat algorithm for optimize solution of an objective function, and how enter a soltion I reached by another algorithm into bat algorithm as initial??

I want to learn how to apply bat algorithm to my objective function ? Also, I want to know how to use a solution get by anoth...

5 years ago | 0 answers | 0

### 0

answersQuestion

If there is a method to define the size of unknown vector x rather than this ???

I want to define the size of x vector, rather than this.. x=sym('x%d%d', [27 1]) where my size is 27*1

5 years ago | 2 answers | 0

### 2

answersQuestion

Error in Genetic Algorithm ??

I want to solve linear system of equations Ax=b, with ... A is 27*27 matrix, b is 27*1 vector, and x is 27*1.. A_struuct=l...

5 years ago | 1 answer | 0

### 1

answerQuestion

Application of Particle Swarm Optimization to solve linear system of equations

Hi, I have a linear system of equations in the matrix notation form Ax=b, with A is 27*27, b vector is 27*1, and we want to solv...

5 years ago | 1 answer | 0

### 1

answerQuestion

How I can make minimization of the following function using (PSO) algorithm...min(norm(Ax-b),2) with A is 13*52 matrix and b is 13*1 vector???

minimization of function using PSO function y = costfun(v) load gh.mat load ww.mat % gh repesents A %...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to get the solution of AX=b using Conjugate gradient with A non square?

Hi guys.. I want to solve a linear system AX=b using Conjugate gradient, with A non-square matrix (13*52),and b (13*1) with the...

5 years ago | 1 answer | 0

### 1

answerQuestion

Why my MathWorks account do not valid to make activation for DVD R2013 with serial number ,?

After installing of my DVD MATLAB, a step for complete activation is to enter serial number and e-mail, when I enter my email a...

5 years ago | 0 answers | 0