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Learning curve

Forums › Ask ACCA Tutor Forums › Ask the Tutor ACCA APM Exams › Learning curve

  • This topic has 3 replies, 2 voices, and was last updated 5 years ago by Ken Garrett.
Viewing 4 posts - 1 through 4 (of 4 total)
  • Author
    Posts
  • October 12, 2019 at 4:42 pm #548928
    iza1
    Participant
    • Topics: 115
    • Replies: 112
    • ☆☆☆

    Hi Ken
    In the learning curve equation why do we take log r/log 2 ?
    And what is the reason for using log 2

    October 13, 2019 at 5:20 pm #549019
    Ken Garrett
    Keymaster
    • Topics: 10
    • Replies: 10597
    • ☆☆☆☆☆

    It’s called Wright’s law and it supposedly works.

    Using the formula gives results identical to those obtained from doubling output each time and working out the cumulative average unit curve. However, the formula allows you to fill in the gaps ie output not falling on a doubling point.

    October 14, 2019 at 4:28 pm #549514
    iza1
    Participant
    • Topics: 115
    • Replies: 112
    • ☆☆☆

    i understood it. but i am very curious to know why log 2 ?

    October 14, 2019 at 5:44 pm #549529
    Ken Garrett
    Keymaster
    • Topics: 10
    • Replies: 10597
    • ☆☆☆☆☆

    No real idea – just the way the maths works and I have never found a derivation. Probably to do with the original formulation which talks of doubling output ie x2.

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