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Add numerical stabilization for difference of exponentials #1303

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rlouf opened this issue Nov 18, 2022 · 0 comments · Fixed by #1399
Closed

Add numerical stabilization for difference of exponentials #1303

rlouf opened this issue Nov 18, 2022 · 0 comments · Fixed by #1399
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enhancement New feature or request graph rewriting help wanted Extra attention is needed

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@rlouf
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rlouf commented Nov 18, 2022

From aesara-devs/aeppl#131

def logdiffexp(a, b):
    """log(exp(a) - exp(b))"""
    return a + at.log1mexp(b - a)
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Labels
enhancement New feature or request graph rewriting help wanted Extra attention is needed
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