Development Notes Volume 1 Chapter 6

26. - ChatGPT 4o Hallucinating 2024-09-14

Working more with Chat I attempted to use the output from to cross-check some calculations my simulator makes during its operation. I could not justify a difference I came to. During the operation the simulator was converting centimeters to micrometers and was getting a different answer than Chat was delivering.
I worked and worked to find the source of the error and finally realized that it came from Chant - it was hallucinating!
I fed the correction back into Chat and it responded that I must have made a typo and gave me back the same wrong answer.
No matter how I rephrased the question Chat insisted that I was wrong.
This experience made me question my earlier assumption about Chat and the future of AI.

25. - Cross check with ChatGPT 4o

I thought it would be interesting and informative to check the way I calculate the membrane voltage in the simulator.
It was more than assuring - it was astounding.

This is the text presented to ChatGPT 4o for analysis:

Calculate the membrane voltage of a dendrite that is 100 um long, 1.5 um diameter, input resistance of 2,122,065 KOhm and capacitance of 4.71 pF after a 10 pA step that is 10 mSec wide at 16 MSec.

And this is the return:

I set up the simulator

... and using the mouse found the 16 mSec point and that the curve passed through 7.3 mV

Amazing
ChatGPT 4o is much more than a simple spell checker. The damn thing is thinking about and solving problems.