Avoid Numerical EXPLOSIONS with the Log Sum Exp Trick

I try to explain the log-sum-exp trick for numerically stable computation. This trick comes up a lot in machine learning and statistics.
Testing a new handwritten notes format using zoom. Let me know if seeing my face makes things better or worse. I hope this is helpful for people!
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[@tuongnguyen9391]

This very nice, instead in LDPC decoder, this numerical stuff happen so very often. Back then I use matlab vpa but it very slow. Thank you so so much
!!

[@rajkiran1982]

Can you please let me know what software do you use for writing ? -- Is it notes in Zoom ?
Seeing your face surely makes it better.

[@efchen1590]

very good explantation!