示例#1
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 def __init__(self, S0, vol, mean, N, delta, r):
     Derivative.__init__(self, S0, vol, mean, N, r, delta)
示例#2
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 def __init__(self, S0, vol, mean, N, delta, r, strike):
     Derivative.__init__(self, S0, vol, mean, N, delta, r)
     self.strike = strike