Questions tagged [inverse]

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Normalized LMS with a posteriori Error and Woodburry's Matrix Inversion

I was going through this paper and the author mentioned that we can prove the following using the Matrix Inversion Lemma (AKA Woodburry's Matrix Inversion Identity): Using matrix inversion lemma we ...
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is this system invertible?

Is this system invertible? $$H \lbrace x(t) \rbrace = x(e^t) $$ I can find the reverse mapping from exp, but I'm not sure whether in systems theory this is considered reversible. I'd love to get an ...
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Programming the IDWT for image processing

I want to program the 2D inverse discrete wavelet transform (only 1 level) in the case of image processing. In the matlab website there's this diagram: now, I want to program the IDWT with haar ...