Community Profile

photo

Ahmed raafat


Last seen: Today Active since 2016

Hello my name is Ahmed Raafat from Egypt I Love MatLab , and I hate Python because the only importance of python is the ability to connect to websites , other wise it can't speak math please see my projects , for contact me please send to my email eng.abo.lregal@gmail.com

Programming Languages:
MATLAB

Statistics

All
  • MATLAB Central Treasure Hunt Finisher
  • Thankful Level 3
  • Revival Level 1
  • Community Group Solver
  • Introduction to MATLAB Master
  • GitHub Submissions Level 3
  • 5-Star Galaxy Level 3
  • Solver
  • Explorer
  • Personal Best Downloads Level 2
  • First Review
  • First Submission

View badges

Content Feed

View by

Answered
free simulink output without (out) object
https://mycourses.aalto.fi/pluginfile.php/1137968/mod_resource/content/5/Simulink%20settings.pdf that link from @David Avila re...

5 mois ago | 0

| accepted

Question


free simulink output without (out) object
Hello I remember in the old versions , when I want to output from simulink to workspace I just rename my variable using to work...

5 mois ago | 1 answer | 0

1

answer

Question


caught exception in slsvXtesterFEVALWithDeferredCtrlCHandling
Hello I have faced this problem recently , I always delete the SSL Library Linkeage Cache as shown in this link , and also I d...

5 mois ago | 0 answers | 0

0

answers

Answered
convert XML to simulink model
I have just found the solution rename ('The_file.zip') to ('The_file.slx')

5 mois ago | 0

| accepted

Question


convert XML to simulink model
Hello every one , I have recieved files from friend that is *.xml , he wants to convert it back to simulink model is there any ...

5 mois ago | 1 answer | 0

1

answer

Question


Use mask's input into mask intialization
Hello , I have create a mask , it has input (6) called Pnom , I want to call this input into mask Initialization , what I have t...

5 mois ago | 1 answer | 0

1

answer

Answered
Make a 2D plot with one arbitrary axis
fill command will be suitable define your 3 squares as vectors , for y make it equal 1 for your graph I think x1=[6.4 6.8...

6 mois ago | 0

Answered
I want to plot 3 or more data using the probability of the histogram.
first you can try like this example x=rand(1000,3) hist(x) or you can use subplot

6 mois ago | 0

Answered
Finding radius of sphere and circle
change the output name and write my_eval_parameters code and change your function code into function [rad1,rad2]=calcu...

6 mois ago | 0

Answered
extracting leaf from background
why don't you play on green histogram clc;clear;close all I=imread('image_0068.jpg'); [bincount,binloc]=hist(double(I(:,:,...

6 mois ago | 0

Answered
Tutorial on Leaf Recognition
what is the error message??

6 mois ago | 0

Answered
Error from Word when using Publish
Go to Windows Control Panel > uninstal Program > Choose Microsoft Office > Change/Modify > Offline Repair

7 mois ago | 0

| accepted

Question


Error from Word when using Publish
I have recently installed Office 2021, and MATLAB r2021b. I used command xlswrite it worked successfully, but when I try to use ...

7 mois ago | 1 answer | 0

1

answer

Question


Big Data math operations
I have matrix 414588x47236 want to make PCA dimension reduction on it is there any idea to make so my computer is not crashing ...

7 mois ago | 1 answer | 1

1

answer

Answered
Simulink-PS error
it was because of GOTO block & FROM block

8 mois ago | 0

| accepted

Question


Simulink-PS error
in this project , I try to connectt 3 phase Motor to pump , the problem is Simulink-PS converter is not transfering the ...

8 mois ago | 1 answer | 0

1

answer

Answered
adjusting the code from optimization output from minimum to maximum
update the last lines of main code FUNCTION_NAME ='Eval_Multi_RBFNN_1_2016'; [Scaled_x_Single,fval,exitflag,output,populati...

12 mois ago | 0

Question


Stop MatLab from exiting
I work with MatLab 2019 b ( Simulink + Code ) Using Optimization Function to change PID values in the simulink project , afte...

plus d'un an ago | 0 answers | 0

0

answers

Answered
Assign number to certain value in cell
B{23,1}=[1 1 4 4 3 3 3 3 2 2 2 2 2 etc.] like that???

plus d'un an ago | 0

Answered
How can i make multiple output anfis?
it looks like you need to create multi systems

presque 3 ans ago | 0

Question


ODE system phase plot with solutions
Hello I need to plot ODE solve on These Quiver lines here is my code for arrows plot clc;clear;close all;clear global ...

plus de 3 ans ago | 0 answers | 0

0

answers

Question


Knowing external open apps
Hello guys I am working on exam's obesrvation project using matlab I want to less cheating , so I want to know if the student ...

plus de 3 ans ago | 0 answers | 0

0

answers

Answered
Matlab code for Harmonic Analysis Algorithm of Hyperspectral image?
https://www.mathworks.com/matlabcentral/fileexchange/38841-matlab-implementation-of-harmonic-analysis-of-time-series--hants-

environ 4 ans ago | 0

Question


remove connected small objects in image
Hello every one I had a code that results me this result <</matlabcentral/answers/uploaded_files/107092/Untitled.png>> ...

plus de 4 ans ago | 2 answers | 0

2

answers

Answered
How do I multiply 2 different sized arrays together?
x=rand(4); y=rand(6); [x,y]=meshgrid(x,y); z=x.*y

plus de 4 ans ago | 0

Answered
How do you calculate the average value of a line?
where is x???? fun = @(x,c) sqrt((-.25 .*(n-(c.*n))./(100-n))./(((n-(c.*n))./(100-n))-1));

plus de 4 ans ago | 0

Question


get the partial shadow image in MatLab
Hello Matlab Community I have images need to compare between them depending on its lighting for example <</matlabcentr...

plus de 4 ans ago | 0 answers | 0

0

answers

Answered
Sort & Index matrix for highest values in row
you mean you want only first high values in each row right?? y=zeros(size(A,1),size(A,2)); for i=1:size(A,1) x=so...

plus de 4 ans ago | 0

Answered
Undefined function 'log10' for input arguments of type 'embedded.fi'.
to get log10 for numeric data you could use this old rule log(x) to base y = ln(x)/ln(y) so log10(x) you can change it ...

plus de 4 ans ago | 0

Answered
Plot the lines of the image into graphs
if you select them you could use <https://www.mathworks.com/help/images/ref/bwselect.html bwselect> command

plus de 4 ans ago | 0

Load more