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uhoh
uhoh
12:21 AM
0
Q: Trying to move some of my scipy/numpy calculation to GPU, how to avoid disappointing results?

uhohI have a layer of atoms on a surface and am trying to do a 2D Frenkel–Kontorova-like energy minimization using at first simplex then once that works, with simulated annealing. The number of atoms could range from 100 to 10,000. Each evaluation of energy is calculated from the atomic positions wit...

optimization python numpy gpu
any GPU wizzes here?
 
 
3 hours later…
uhoh
uhoh
3:34 AM
0
Q: Make a guide map to comet comet Leonard C/2021 A1 using Skyfield

uhohSky and Telescope's How Bright will Comet Leonard Get? includes the skymap and projected (possible) light curve for comet Leonard C/2021 A1 that will potentially reach +4 magnitude this month. It has an interesting trajectory in that it's passed Earth (at least) once before but this time will lea...

amateur-observing comets skyfield prediction
 
XKCD
XKCD
4:28 AM
 

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