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VMat


6 total contributions since 2016

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Question


image compression coefficients magnitude order
Hello I applied a Discrete Wavelet Transform (DWT) to a RGB image, for compression (code below). I wish to plot the fact t...

2 years ago | 0 answers | 0

0

answers

Question


real data FFT and reconstruction - frequency base issues
Hello, and thanks for your time on the following. I wish to perform FFT and reconstruct the signal 'eta' generated by the scr...

2 years ago | 0 answers | 0

0

answers

Question


optimal data structure stacked bar plot
Hello. I wish to plot a bar chart, with the following constraints: * x axis contains 6 values (strings) * y axis records the...

2 years ago | 1 answer | 0

1

answer

Answered
Recovery set of signals same sparsity
Thank you very much Stephen. You understood correctly - I should probably write that my question was about 'joint sparse recover...

2 years ago | 0

Question


Recovery set of signals same sparsity
Hello. I shall plot the result of the following two actions: # Reconstruct a set (/series) of signals, e.g. 100 signals, all ...

2 years ago | 3 answers | 0

3

answers

Question


vectors equality test failure - decimals and sign issue on zeros
I shall test two vectors of same dimension for their equality: namely, x0 and xhat as defined below (they belong to different fu...

2 years ago | 1 answer | 0

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answer