Author Topic: Complicated Math  (Read 6527 times)

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Complicated Math
« on: Wed, 16 February, 2011, 15:45 »
Hi,

I have a formula I am trying to work out.  Say for example I back the fav at 1.3 for 10 then if the odds drift out to 1.5 I then lay for a bigger amount.  How would I work out how much to green up at 2 taking into account I allready have 10 on at 1.3.  I just cant seem to get my head around it. 

I hope someone cleverer than me can work it out.

Thanks

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Re: Complicated Math
« Reply #1 on: Wed, 16 February, 2011, 17:09 »
hi
why don't you just use the green up trigger, or the attempt to green up trigger.
it is a lot easier than working it out.


mcbee
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Re: Complicated Math
« Reply #2 on: Wed, 16 February, 2011, 18:04 »
Will that take into account all the other bets??  Also if anyone knows the the match it would be useful so I can have complete control over my odds.

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Re: Complicated Math
« Reply #3 on: Wed, 16 February, 2011, 19:23 »
hi
first of all, green up means to get a profit win or lose.
i don't think that you can green up with your example, back at 1.3 and lay at 2.
to green up you have to back higher than lay.


mcbee
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Re: Complicated Math
« Reply #4 on: Wed, 16 February, 2011, 21:36 »
Hi Sorry, I will try to make it more clear

Back £10 @ 1.3
Lay £20 @ 1.5

Green up at 2 ?? but how to work this out?


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Re: Complicated Math
« Reply #5 on: Thu, 17 February, 2011, 12:19 »
Anybody?

Attempt to greenup doesnt work properly because the % gets messed up by the other bets.  I am guessing the formula involves using the profit_loss figures

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Re: Complicated Math
« Reply #6 on: Thu, 17 February, 2011, 12:37 »
hi
i am working on it.
i do see what you want, but i need to set the calulation in trigger formula.
your example.
back win
10 at 1.3=3
20 at 1.5=-10
              =-7
lay win
10 at 1.3=-10
20 at 1.5=20
              =10
so take the difference between the minus 7 and 10 gives a profit of 3.
so divide the profit of 3 by 2 =1.5
add this to the 7 difference=8.5
back win
10 at 1.3=3
20 at 1.5=-10
8.5 at 2  =8.5
total       =1.5 profit
lay win
10 at 1.3=-10
20 at 1.5=20
8.5 at 2  =-8.5
total       =1.5 profit

mcbee
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Re: Complicated Math
« Reply #7 on: Thu, 17 February, 2011, 13:14 »
Hi Mcbee,

You seem to be onto a simpler way of doing it.  I have come up with the formula below which seems to work but is really complicated. 

((bm_layavp*lay_matched)/((bm_backavp+NEW BACK PRICE)/(bm_backnum+1)))-back_matched

I am pretty sure there is an easier way using the profit_loss like you said.

Cheers

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Re: Complicated Math
« Reply #8 on: Thu, 17 February, 2011, 18:42 »
Hey Mcbee,

Any joy on this, my version get progressivly more out as the bets go on.

Cheers