loginv

SET QUOTED_IDENTIFIER ON 
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SET ANSI_NULLS ON 
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ALTER  FUNCTION loginv (@P float,@mu float,@sig float)

RETURNS float

as
begin
declare @result float

return exp(@mu+@sig*dbo.normsinv(@p))

end

GO
SET QUOTED_IDENTIFIER OFF 
GO
SET ANSI_NULLS ON 
GO