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Muhammad Abdulrazek


Last seen: 25 days ago Active since 2021

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Question


How to plot all rows of an array with a random color
Hello there, i am working on I-V charchteristics of a mosfet script My Proplem is : i need to plot all the rows of the gener...

1 month ago | 1 answer | 0

1

answer

Question


How to split 128x128 array into 64 ( 2x128 ) ?
Hello i have a 128x128 array which i need to split it into 64 array of size 2x128 How to do that ?

2 months ago | 2 answers | 0

2

answers

Question


How to convert 1x64 uint64 to 1x1 array ?
hello there, I have a 1x64 array which i need to convert into 1x1 array How to do that ?

2 months ago | 1 answer | 0

1

answer

Question


Help with RC5 algorithm
RC5 [remainder deleted for legal reasons ]

2 months ago | 1 answer | 0

1

answer

Question


How to convert an image to a plain text & inverse ?
Hello I have an image 128x128 and i want to convert it into a plain text & how to reconvert that text into an image again ?

2 months ago | 1 answer | 0

1

answer

Question


Problem : Index exceeds matrix dimensions
Hello , i have a little error with matrix dimensions Can you help me ? %KEY EXPANSION FUNCTION-------------- function [S]...

2 months ago | 1 answer | 0

1

answer

Question


How to read an image & convert it into an array and vice versa
Hello , how to convert an image to 1x2 array & be able to do the inverse ?

2 months ago | 1 answer | 0

1

answer

Question


Problem with RC5 Image encryption
Hello , I am working now on an image encryption script based on RC5 Encryption Algorithm but i am little confused about how to...

2 months ago | 1 answer | 0

1

answer

Question


image encryption using rc4 : error in bitxor
Hello Community , i work now on rc4 image encryption algorithm but i am facing a little proplem the image dimensions is 128 *...

2 months ago | 1 answer | 0

1

answer

Question


matlab code processing is too slow
Hi there, i am working on a project but when i run my project it take a lot of time to process the script, and never finish ...

2 months ago | 0 answers | 0

0

answers

Question


Error using reshape : number of elements must not change.
Hi there, I am currently working on a communication system with a little of chaiotic cipher for greyscale images but I have ...

2 months ago | 1 answer | 0

1

answer

Question


Error using bitxor Inputs must have the same size.
Hello there, i have a proplem with bitxor function : Error using bitxor Inputs must have the same size. the first in...

2 months ago | 1 answer | 0

1

answer