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#1
09-07-2005, 10:53 AM
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Bowers Question--p. 55
I know I'm probably just being silly, but I'm messing up slightly when I try to take formula 3.2.13 and derive the equation at the bottom of page 55. I was hoping someone could clear me up on what the half-step I'm forgetting is.
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#2
09-08-2005, 01:04 PM
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Use the chain rule. The derivative wrt x of f[g(x)] is f'[g(x)] g'(x). In your case, f is log and g is s .
Jim Daniel
__________________
Jim Daniel Jim Daniel's Actuarial Seminars www.actuarialseminars.com jimdaniel@actuarialseminars.com
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