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  1. #1
    HaraKiriBlade's Avatar
    HaraKiriBlade is offline Member
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    Default Inverse vs. Reverse

    Just as the subject says: what is the difference between the word 'inverse' and 'reverse'?

    - HKB

  2. #2
    svartnik is offline Banned
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    Default Re: Inverse vs. Reverse

    Quote Originally Posted by HaraKiriBlade View Post
    Just as the subject says: what is the difference between the word 'inverse' and 'reverse'?

    - HKB

    reverse: opposite direction; backwards
    inverse: change in order

  3. #3
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    BobK is offline Harmless drudge
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    Default Re: Inverse vs. Reverse

    Quote Originally Posted by svartnik View Post
    reverse: opposite direction; backwards
    inverse: change in order
    I don't buy this; when things are 'in inverse proportion' order doesn't come into it - it means 'when one gets bigger the other gets smaller and when one gets smaller the other gets bigger'.

    b

  4. #4
    Clark is offline Key Member
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    Default Re: Inverse vs. Reverse

    Inverse is opposite in order or proportion. In language inversion is when the predicate comes before the subject. So it's about order.

  5. #5
    svartnik is offline Banned
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    Default Re: Inverse vs. Reverse

    Quote Originally Posted by BobK View Post
    I don't buy this; when things are 'in inverse proportion' order doesn't come into it - it means 'when one gets bigger the other gets smaller and when one gets smaller the other gets bigger'.

    b
    order:
    logical arrangement of separate elements

    f(x) = 5x

    x-->f(x) = (0;0); (1;5); (2;10); (3.14;5*3.14);....

    inverse:

    x = 5f'(x)
    f'(x) = x/5

    x -->f'(x) = (0;0); (5;1); (10;2); (5*3.14;3.14);...

    Can you see the change in order, Bob?

  6. #6
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    Default Re: Inverse vs. Reverse

    Oh, that kind of order.

    b

  7. #7
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    Default Re: Inverse vs. Reverse

    PS That last post wasn't meant to suggest I knew in detail where the discussion was leading. My maths is 'Best Before End May 1968'. It was just that I recognized what sort of 'order' was involved; it was an 'order of magnitude' sort of reply.

    b

  8. #8
    svartnik is offline Banned
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    Default Re: Inverse vs. Reverse

    Quote Originally Posted by BobK View Post
    PS That last post wasn't meant to suggest I knew in detail where the discussion was leading. My maths is 'Best Before End May 1968'. It was just that I recognized what sort of 'order' was involved; it was an 'order of magnitude' sort of reply.

    b
    Same here. To add insult to injury, I teach maths.

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