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image stretching and squeezing code not working for big matrices
This is an image scrambling code that stretches the x and y coordinate by a factor of 2 and squeezes the z coordinate by 4. But ...

6 years ago | 0 answers | 0

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answers

Question


perform diffusion of image pixels
0 down vote favorite I have an image say I, I apply a transformation called Multi resolution Singular value decomposition o...

6 years ago | 1 answer | 0

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answer

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Arranging a matrix rows with respect to another matrix
I have a matrix, for example, A=[1 2; 3 5], and I have a matrix B=[2 7; 1 3] What I need to do is arrange the rows of B like th...

6 years ago | 1 answer | 0

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answer

Question


How to whiten data IN fast ICA
i am trying to implement FAst ICA for my project, but i am facing it hard to just go through the fisrt step. The code that i am ...

7 years ago | 1 answer | 0

1

answer

Question


Training a neural network with Chaotic data
i have a set of differential equations which i have solved numerically. The solution of the differential equations is chaotic in...

7 years ago | 0 answers | 0

0

answers

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matlab nonlinear equation solver
i have a set of3 nonlinear equations and i need to solve them by using fsolve in matlab function F = root2d(y) s...

7 years ago | 1 answer | 0

1

answer

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plotting phase diagram of a strange attracter
i have a set of first order nonlinear differential equation called the chen's system of ode. i have numerically calculated the ...

7 years ago | 0 answers | 0

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answers

Question


scatter plot with different colours
i have two vectors and i have a scatter plot of them. u and z are vectors from which i have taken the values randIndex = r...

8 years ago | 0 answers | 0

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answers

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2D baker map code implementation
I am trying to implement the discretized baker map for the shuffling of pixels,i am not able to understand the discretized ver...

8 years ago | 1 answer | 1

1

answer

Question


Arnold cat map decryption problem
i am having problems decrypting the image. please can somebody guide am i making some logical error. i guess i am not writing...

8 years ago | 1 answer | 0

1

answer

Question


how to convert a grayscale image to a sequence of bytes
how do i convert the image into a sequence of bytes and then get the hash value using SHA3 256 bits.

8 years ago | 1 answer | 0

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