Forums: Climbing Information: Accident and Incident Analysis: Re: [ClimbClimb] Climbing gym disaster: Edit Log




jt512


Apr 26, 2010, 10:09 PM

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Registered: Apr 12, 2001
Posts: 21904

Re: [ClimbClimb] Climbing gym disaster
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ClimbClimb wrote:
jt512 wrote:
ClimbClimb wrote:
Now, your risk of hitting the ground is 50% * b + 100% * b (making a minor approximation).

You have failed to take into consideration that your belayer can only lower you if he hasn't already failed to catch you on a fall. ...

I did not fail. I made the minor approximation, which I noted above. This and the other point you mention are unlikely to make a big difference in the final outcomes. I would be glad to do the full math out for you, but I think it'll really nerd everyone else out.

Well, in my humble opinion, you did not "make a minor approximation." You made a major mistake, leading to mathematically impossible results. As I stated above, your approach can lead to "probabilities" exceeding 1, which are nonsensical. If you want to "do the full math for me," please do, although I think I actually did it for you in my previous post.

Jay


(This post was edited by jt512 on Apr 26, 2010, 10:25 PM)



Edit Log:
Post edited by jt512 () on Apr 26, 2010, 10:10 PM
Post edited by jt512 () on Apr 26, 2010, 10:25 PM


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