Ahmed raafat

Last seen: 1 day ago | Active since 2016

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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

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prayer_time
Just simple project to show clock and prayer time

6 months ago | 1 download |

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

7 months ago

Submitted

Breast_Cancer
This Code is about Image improvement of breast to show the cancer's cells

10 months ago | 13 downloads |

Answered
image encryption based on hyper-chaotic system and cat map
Wow you have changed my code, try this code for arnold https://www.mathworks.com/matlabcentral/fileexchange/135974-arnold_cat_ma...

1 year ago | 0

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Arnold_Cat_Map
Example of Arnold cat map encryption/decryption

1 year ago | 1 download |

Submitted

ElectricalMotorSpeedTechniques
Cost FUnction FOr optimizing Motor's speed , it has 3 examples : single speed , multispeed and fuzzy

1 year ago | 2 downloads |

Submitted

HGAPSO
MatLab Optimzation Code

2 years ago | 2 downloads |

Submitted

Directional_correlation
horizontal , vertical and Diagonal Correlation

2 years ago | 1 download |

Question

what is the url of server instance?
I have installed MatLab App Server I have built the dash port using mps-dashboard also I have created instance with port 9...

2 years ago | 1 answer | 0

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how to convert matlab results to Document Model automatically
Hi assuming I have a user interface for company created by MatLab now I want the results of the calculations to be put in spe...

2 years ago | 1 answer | 0

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Custom RL enviroment based on objective function
Hello I have my optimization Objective function , I want to convert it into Reinforcement Learning enviroment , How can I do t...

2 years ago | 0 answers | 0

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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...

3 years ago | 0

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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...

3 years ago | 1 answer | 0

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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...

3 years ago | 0 answers | 0

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

3 years ago | 0

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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 ...

3 years ago | 1 answer | 0

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Solved

Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

3 years ago

Solved

Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

3 years ago

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Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

3 years ago

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3 years ago

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3 years ago

Solved

Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

3 years ago

Solved

Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

3 years ago

Solved

Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

3 years ago

Solved

Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

3 years ago

Solved

Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

3 years ago

Solved

Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

3 years ago

Solved

Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

3 years ago

Solved

Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

3 years ago

Solved

Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

3 years ago

Ahmed raafat

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