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Lila Hadji

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03 Aug 2009	Non Convex Compressed Sensing for Non Gaussian Noise optimization of the form min \|\|x\|\|_p subject to \|\|y-Ax\|\|_q<e Author: Angshul Majumdar	Dear Angshul, I am real interested on your toolbox of resolving non convex optimization, for sparse signal recovery.I tried to use your code, and run the file demo.m, but without success here is the error that I had got: Undefined function or method 'opMatrix' for input arguments of type 'double'. Error in ==> rwlspq at 26 AOp = opMatrix(A); clear A Error in ==> demo at 6 x1 = rwlspq(A,ybar,0.4,3); can you please help me to understand my mistake in using your code and where can I find the functions opMatrix and iterchk? Yours gratfully Lila

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04 Aug 2009		Non Convex Compressed Sensing for Non Gaussian Noise optimization of the form min \|\|x\|\|_p subject to \|\|y-Ax\|\|_q<e Author: Angshul Majumdar	image processing, mathematics, signal processing, optimization, simulation, earth science	19	4

Comments and Ratings Matching Lila's Watch List			1-4 of 4
Date	File	Comment by	Comments	Rating
17 Oct 2009	Non Convex Compressed Sensing for Non Gaussian Noise optimization of the form min \|\|x\|\|_p subject to \|\|y-Ax\|\|_q<e	Stephen Becker	Matlab updated their LSQR function around 2008. The old version was buggy, as you probably know (since you recommended a different version of LSQR), but anyone with a newer release of Matlab (e.g. 2009 and more recent) can use their existing LSQR function. -Stephen	Comment only
08 Sep 2009	Non Convex Compressed Sensing for Non Gaussian Noise optimization of the form min \|\|x\|\|_p subject to \|\|y-Ax\|\|_q<e	Angshul Majumdar	itecheck has something to do with the version of Matlab you are using. U can search the iterchk function online from google and add it to your Matlab Path.	Comment only
04 Aug 2009	Non Convex Compressed Sensing for Non Gaussian Noise optimization of the form min \|\|x\|\|_p subject to \|\|y-Ax\|\|_q<e	Universidad Pamplona	Hi Dr. Majundar. excellent contribution. I want to discuss something, when I run the algoritrmo this problem: Undefined function or method 'iterchk' for input arguments of type 'function_handle' can you please help me to understand my mistake in using your code thanks Luis enrique M.	Comment only
03 Aug 2009	Non Convex Compressed Sensing for Non Gaussian Noise optimization of the form min \|\|x\|\|_p subject to \|\|y-Ax\|\|_q<e	Lila Hadji	Dear Angshul, I am real interested on your toolbox of resolving non convex optimization, for sparse signal recovery.I tried to use your code, and run the file demo.m, but without success here is the error that I had got: Undefined function or method 'opMatrix' for input arguments of type 'double'. Error in ==> rwlspq at 26 AOp = opMatrix(A); clear A Error in ==> demo at 6 x1 = rwlspq(A,ybar,0.4,3); can you please help me to understand my mistake in using your code and where can I find the functions opMatrix and iterchk? Yours gratfully Lila	Comment only

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