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  • Committer: Rodolfo Carvalho
  • Date: 2011-11-13 15:00:09 UTC
  • Revision ID: rhcarvalho@gmail.com-20111113150009-pm1ufhd34omf0hgu
Update to use plot/compat (Racket 5.2).

Should be updated to use the new plot library.

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demo/racket-lang.org/14-plot-graph.rkt
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#lang racket   ; draw a graph of cos
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(require plot) ; and deriv^3(cos)
 
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(require plot/compat) ; and deriv^3(cos)
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(define ((deriv f) x)
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  (/ (- (f x) (f (- x 0.001))) 0.001))
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(define (thrice f) (lambda (x) (f (f (f x)))))