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M.Shaarawy


Last seen: casi 2 años hace |  Con actividad desde 2017

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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...

casi 5 años hace | 2 respuestas | 0

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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...

más de 5 años hace | 0 respuestas | 0

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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; % ...

más de 5 años hace | 0 respuestas | 0

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

más de 5 años hace | 0 respuestas | 0

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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...

casi 6 años hace | 1 respuesta | 0

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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 ...

casi 6 años hace | 1 respuesta | 0

1

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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 ...

casi 6 años hace | 0 respuestas | 0

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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>>

más de 6 años hace | 0 respuestas | 0

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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

más de 6 años hace | 0 respuestas | 0

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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...

más de 6 años hace | 0 respuestas | 0

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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

más de 6 años hace | 2 respuestas | 0

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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...

casi 7 años hace | 1 respuesta | 0

1

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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...

casi 7 años hace | 1 respuesta | 0

1

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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 %...

casi 7 años hace | 1 respuesta | 0

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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...

casi 7 años hace | 1 respuesta | 0

1

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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...

alrededor de 7 años hace | 0 respuestas | 0

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