[Quantlib-dev] How to construct an interest curve using an existing curve with two minor modifications?

[zcg6433 <yuz...@gm...>]

How to construct an zero curve using an existing curve with the following two
modifications?
1. move the reference date by two dates earlier.
2. Assuming the knot points of the curve are represented using discount
factors, then the all of the knot points of the new curve should be 0.98 *
those of the old curve. ( i.e. this has the equivalent effect of downscaling
the discount factor of the original curve by 0.98 )



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