Trying to do this for future valuation, can anyone help?
I need to get 'i' on its own
P= (C(1-v^20)/i) + (100v^20)
WHERE
v = 1/(1+i)
stay up homies
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what is i? imaginary number? interest rate?
i is the yield % pa divided by 200
so yea...call it the interest rate
Didn't you miss a parenthesis in the first equation?
The only way I see it being done by hand is:
using binomial approximation, so (1+i)^20 = (1+20i), if i is close to 0 (which it should be, if you consider yield % / 200)
But then again this is only an approximation, and I am not sure thats what you want.
edit: I can plug it into my laptop to get an exact result a bit later, if this still remains unsolved.
ok so your parentheses dont match in the first term but anyway...
i = C(1-v^20)/(P-100v^20)
i = (1/v) - 1
was that all you wanted? that was like 5th grade algebra
I think he wants i in terms of C and P
edit: i.e if you substitute v in your 1st equation you still get i on the right hand side.
thats the problem...V is a function of i and I cant figure out how to get i alone, if its even possible
idc if its dumb or whatever or 5th grade algebra..im swampe
my bad i didn't realize what you were asking...
i dont have time right now but will come back to this later if nobody solved yet
no worries, shouldve clarified
If a cowboy rides into town on friday stays three days leaves on friday how did he do it?
When someone finds this answer PLEASE let me know....im swamped :/
If a cowboy rides into town on friday stays three days leaves on friday how did he do it?
When someone finds this answer PLEASE let me know....im swamped :/
ahh that was your funniest joke yet.....twat
Twat? You're a brit?
Friday is the name of his horse... stop being a dick
THATS THE ANSWER~! THAT WAS THE QUESTION GOLDMAN SACHS (EVER HEAR OF IT) ASKED ME ON MY INTERVIEW!!!!!!!!!!!!!!!!!!!!!!!!!!!!
excel solver or matlab
Maybe you could explain the specific problem you are having trouble with, there might be a way to do it without expressing i.
Or is that all you want?
I on its own is all I need lol. It's just aussie bond future valuation
I don't think it is possible, as any way you look at it you have to solve 20th order polynomial equation, which is impossible.
So the only 2 ways are:
1) By hand, not accurate - binomial approximation that I outlined above.
2) Accurate solution - use any numerical package and plug in your values for c and price. WolframAlpha if you don't have Matlab/etc
Not solvable. This is a subset of math called Group Theory.
Anything over(I think) 6th degree is impossible to solve analytically.
5th degree polynomial
and the day they start using galois theory in banking is the day i get back on my spaceship and return to my home planet
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