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christina


Last seen: oltre 4 anni fa |  Attivo dal 2018

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Domanda


Numerical Implementaion via ADMM

oltre 4 anni fa | 0 risposte | 0

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Domanda


How to fix the error while running ksdensity function?
I get the following error while calling the ksdensity routine. Can somebody tell me how to fix this?

circa 5 anni fa | 0 risposte | 0

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Domanda


Obtain a periodic convolution matrix for 2D signal
Following matlab code generates a periodic convolution matrix for 1D case. Can somebody tell me the way to generate the matrix f...

oltre 5 anni fa | 0 risposte | 0

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Domanda


Optimization Problem using fminunc
Does anyone know how to solve this problem? Local minimum possible. fminunc stopped because it cannot decrease the objective...

oltre 5 anni fa | 1 risposta | 0

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Domanda


Spectral norm minimization using semi definite programming
Can somebody please tell me how to solve the following problem using semi definite programming in matlab?

oltre 5 anni fa | 0 risposte | 0

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Domanda


Problem regarding using fminunc
I am trying to minimize the spectral norm and run into this problem. How do I solve it?

oltre 5 anni fa | 1 risposta | 0

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Domanda


Generate N random uniformly distributed points in the d-ball
How to generate N random uniformly distributed points in the d--ball

oltre 5 anni fa | 2 risposte | 0

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Domanda


Generate random sample of points distributed on the n-dimensional sphere of radius R and centred at the origin
How to generate random sample of points distributed on the n-dimensional sphere of radius R and centred at the origin?

oltre 5 anni fa | 1 risposta | 0

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Domanda


Solve for diagonal matrix D by minimizing the operator norm in Matlab
Say that the size of matrix A is 576x576 and size of F is1296x576. Which matlab function can I use to solve this problem?

oltre 5 anni fa | 1 risposta | 0

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Domanda


How to generate a vector of uniformly distributed numbers around 1?
How to generate a vector of uniformly distributed numbers around 1 using rand function?

quasi 6 anni fa | 1 risposta | 0

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Domanda


Function handle to randomly select the rows of ifft matrix for compressed sensing
Can somebody tell me how can I write a function handle such that it selects the rows of the ifft matrix randomly. I need this fu...

quasi 6 anni fa | 1 risposta | 0

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Domanda


Error while passing function to matlab's svds function
I am getting following error when I run my code. Can somebody please tell me what am I doing wrong here and how to fix it? I hav...

quasi 6 anni fa | 1 risposta | 0

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Domanda


Dealing with large matrices in compressive sensing
Following code demonstrates compressive sensing. The length of the input signal x used is N =1024 samples. The size of the DFT m...

quasi 6 anni fa | 1 risposta | 0

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Domanda


Creating a sparse vector
How do I create a random s-sparse vector of some fixed length?

quasi 6 anni fa | 0 risposte | 0

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Domanda


Help with Coding problem
I am trying to code the following in matlab. << <</matlabcentral/answers/uploaded_files/124125/Capture22.PNG>> Followin...

circa 6 anni fa | 1 risposta | 0

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Domanda


time-frequency shifted gaussian function
I am trying to implement a function that generates a cyclic time and frequency shifted version of a gaussian function. <</mat...

circa 6 anni fa | 0 risposte | 0

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Domanda


Optimization problem using Quasi Newton method
Given x_t and c_mn, the objective function is defined as: <</matlabcentral/answers/uploaded_files/122647/Screen%20Shot%202018...

circa 6 anni fa | 0 risposte | 0

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Domanda


Quasi newton method for optimization
<</matlabcentral/answers/uploaded_files/122406/obj.PNG>> I am trying to solve the above objective function for theta using ...

circa 6 anni fa | 2 risposte | 0

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Domanda


How do I write the code for solving the optimization problem in Matlab?
Can somebody help me solve for θ? <</matlabcentral/answers/uploaded_files/122265/mat.PNG>>

circa 6 anni fa | 1 risposta | 0

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