Learning rate

This topic has 1 reply, 2 voices, and was last updated 8 years ago by John Moffat.

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November 15, 2017 at 7:43 pm #416014
orhodes
Participant
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Hi John
I can’t work out how to do this. You did showed us how to calculate that but I am struggling anyway.
The first batch took 750 hrs to make. The total time for the first 16 batches is 8500hrs. What is the learning rate?
Answer: 92%
Thank you
Oksana
November 16, 2017 at 9:01 am #416061
John Moffat
Keymaster
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16 batches involves doubling 4 times (2, 4, 8, 16).
The average time per batch when we make 16 is 8500/16 = 531.25
Therefore, if r is the learning rate, 750 x r^4 = 531.25
So r^4 = 531.25/750 = 0.70833
Therefore r = fourth root of 0.70833 = 0.92 (or 92%)
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