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dani elias


Dalian maritime University

Last seen: 1 jour il y a Actif depuis 2020

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Data loss in image
I have an encrypted image,I wantit to like these so I can be able to test for data loss <</matlabcentral/answers/uploaded_fil...

4 mois il y a | 1 réponse | 0

1

réponse

Question


how to expand a Square matrix and reverse to its original form ?
if you want to expand a 2x2 to 4x4, or 8x8 to 16x16 or any square matrix, how can you do it using bitxor operation and reverse i...

5 mois il y a | 2 réponses | 0

2

réponses

Question


How can I Perform bitxor operation in matrix?
Assume You have two matrix A and B with even number of rows as shown below. I want the first column in A to undergo bitxor with ...

5 mois il y a | 1 réponse | 0

1

réponse

Question


encrypt and decrypt the image using Hill cipher
Hello, I have tried to use the normal procedures of Hill Cipher techniques in encrypting the Image. Please,assist me close all;...

environ 2 ans il y a | 2 réponses | 0

2

réponses

Question


how can i swap the matrix element using control statements or any built in functions?
i have a square matrix m*n, (256*256). i am looking for functions (forward and reverse) to swaps elements until the bottom-righ...

environ 2 ans il y a | 1 réponse | 0

1

réponse

Question


how can I groups binary digits in array element
i have the following array with randomly binary number in sequence, but i want to divide into 4 groups of bits such as array B f...

environ 2 ans il y a | 1 réponse | 0

1

réponse

Question


How to Apply defuzzification using Triangular membership Function in Matrix
assume you have the Matrix A,which is square matrix. I want to apply defuzzification using triangular membership function; so t...

plus de 2 ans il y a | 1 réponse | 0

0

réponse

Question


What can be a reverse permutation formula of n*m matrix
The first row remain as it is, but from the second to the end it changed as shown below: Given *A* as original matrix, *B* the r...

plus de 2 ans il y a | 2 réponses | 0

2

réponses

Question


How can I perform the following operation in matrix
A=[2 3 4 5; 4 5 6 7; 3 4 5 6; 3 4 2 1] to get matrix B=[ 2 3 4 5; 4 20 18 7; 3 16 15 6; 3 4 2 1] th...

plus de 2 ans il y a | 1 réponse | 0

1

réponse