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Ask HN: ChatGPT can't define parametric resonance. How can this be?

2 points by spacetimeuser5 ↗ HN
I asked ChatGPT (free version) to define parametric resonance, and it answered with a standard template that it has been trained on data up to 2021 and doesn't actually know this concept.

While it is an established concept in physics and isn't complicated.

How can this be?

5 comments

[ 3.3 ms ] story [ 21.6 ms ] thread
_flux
Did you try just once? https://chat.openai.com/share/fa01b895-2b4e-47c1-bbbb-1cef0a...

Perhaps your past discussion, custom prompt or chat temperature (that cannot be adjusted except in the API) caused that to happen. It's not a miracle maker but a stochastic tool.

spacetimeuser5
Yes, once. It was the first prompt like "What is ...?". The second prompt was like "Suppose you are a 20 Nobel prize winner in physics etc", and it failed after the second one also.
_flux
If you asked them in the same session, the previous answer would have affected the next answer.

The rule of thumb goes: never argue with an LLM, unless you are looking for an argument. Just reset and start over (or edit the prompt, which is the same thing but preserves the previous communication).

spacetimeuser5
The first prompt was actually more specific, but it has provided the definition now. However it can't provide the specific numerical value for the specific type of parametric resonance. But whatever.