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Quoting Rafael from astro-informatics/purify#29
> Thisis a mistake in the code. Basically we are always initialising xsol as At(y)/nu.
> We should have the option to receive xsol and z as inputs. In …
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Hi guys,
I suggest we use the interface as defined below for wsclean; other imagers like awimager can have the exact same interface (except with different function names). I have made it slightly mor…
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I have been testing PADMM on real data using purify, I have been comparing it to the matlab version.
In particular, the matlab version of purify uses `sopt_mltb_admm_bpconw`, which allows weights. D…
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In cpp/regressions/sdmm.cc (line 85), the calculation of epsilon follows:
`auto const epsilon
= std::sqrt(y0.size() + 2 * std::sqrt(y0.size())) * sigma(y0, 30e0)
/ std::sqrt(static_cast…
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It looks like nothing is changing with iterations, and various values are always zero.
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http://arxiv.org/pdf/1601.04026v2.pdf
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General framework seeks to minimize $\sum_i g_i(L_i*x)$. It takes as input a list of operators
consisting of:
- L_i
- L_i^\dagger
- the _proximal_ of g_i
It might/can also take as input a conjugate g…
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- [x] Framework to access previous version of sopt
- [x] sdmm in-painting test
- [ ] that other test with an FFT
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This is just to make sure we can instanciate the same algorithms as in the original sopt.
Needed to finish off #30.