Chapter 3, Modularity, Objects, and State
Exercise 3.79
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(define (generic-solve-2nd a b dt y0 dy0)
(define y (integral (delay dy0) y0 dt))
(define dy (integral (delay ddy) dy0 dt))
(define ddy (stream-map f dy y))
y)
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(define (generic-solve-2nd a b dt y0 dy0)
(define y (integral (delay dy0) y0 dt))
(define dy (integral (delay ddy) dy0 dt))
(define ddy (stream-map f dy y))
y)