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Question
how to deal with lifting wavelet transform haar int2int
I have audio signal , I want to use Haar type int2int because my signal in digital form. but haar function ask me to change the ...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
I need the best way to write the loop commands
for i=1:15, y(i+1)=vec(i); end y(1)=vec(16);
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
I need most efficient code for these commands
% convert the real number to integer, then get the binary for it. circulate the binary to the left four times, get a %new numb...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
speed up this function
function [RKey] = Shuffle1R( Key1 ) % Using algorithm to specify the key back for shuffling stime=tic; % Key1=[162,28...
plus de 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
how to manage shuffling overlap blocks from a matrix with 2D
I tried to divide a big matrix like 128,128 into overlap blocks in order to do encryption.Are there any way or method to deal wi...
presque 11 ans il y a | 1 réponse | 0
0
réponseQuestion
I need to record all the intermadiate result into E1,E2,E3,.....but I couldn't manage that help please!
clc; clear; S=8;m=6; box1=1:S*S; box=reshape(box1,S,S); newbox=zeros(S,S); Tem=zeros(m,S,S); [ Q ]=...
presque 11 ans il y a | 1 réponse | 0
0
réponseQuestion
how to manage that the initial value x0 is changed after each I iteration ?
the code is: x0=.4352; for i=1:L, x=r*x*(1-x); chaotic(i)=x;c end; the initial value of x0 is changed after each ite...
presque 11 ans il y a | 1 réponse | 0
0
réponseA résolu
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
plus de 11 ans il y a
Question
how to store new matrix on the old one
I have a array Z(4,4) such as [1:4; 5:8; 9:12; 13:16]. I would like to change the order of the matrix and st...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
how to define index for a matrix as integer
[i]=mod(D(1),N)+1; I got this error Attempted to access M(2,2); index must be a positive integer. while the value of i was ...
plus de 11 ans il y a | 1 réponse | 0
0
réponseQuestion
I did divide array with 2D into small boxes 2D also,the problem is how to get each box into sequential blocks.
I did divide array of (32,32) into boxes with (8,8) so I got 16 box. I need to get those boxes into sequential block for instan...
plus de 11 ans il y a | 1 réponse | 0
