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JAZYKY U MELEJ I NTELIGENCIE

JAZYKY U MELEJ I NTELIGENCIE. Common LISP Funkcie vyššieho rádu Marian.Mach @ tuke.sk http ://neuron.tuke.sk/~machm Febru ár , 2011. Vyhodnotenie funkcie. (defun avg3 (a b c) (/ (+ a b c) 3)) (setf qq (function avg3)) (avg3 2 3 4) (funcall #’avg3 2 3 4) (funcall qq 2 3 4)

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JAZYKY U MELEJ I NTELIGENCIE

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  1. JAZYKY UMELEJ INTELIGENCIE Common LISP Funkcie vyššieho rádu Marian.Mach@tuke.sk http://neuron.tuke.sk/~machm Február, 2011 Katedra kybernetiky a umelej inteligencie FEI, TU v Košiciach

  2. Vyhodnotenie funkcie • (defun avg3 (a b c) (/ (+ a b c) 3)) • (setf qq (function avg3)) • (avg3 2 3 4) • (funcall #’avg3 2 3 4) • (funcall qq 2 3 4) • (funcall #’(lambda (a b c) (/ (+ a b c) 3)) 2 3 4) • (apply #’+ ‘(2 3 4 5)) • (apply #’+ 2 3 ‘(4 5)) Katedra kybernetiky a umelej inteligencie FEI, TU v Košiciach

  3. Testovanie s predikátom • (every #’(lambda (x) (evenp (print x))) ‘(2 4 6)) • (every #’(lambda (x) (evenp (print x))) ‘(2 3 4)) • (every #’< ‘(2 3 4) ‘(3 4 5 6) ‘(4 5 6 7 8)) • (some #’(lambda (x) (evenp (print x))) ‘(3 4 5)) • (some #’(lambda (x) (evenp (print x))) ‘(3 5 7)) • (notevery #’(lambda (x) (evenp (print x))) ‘(2 3 4)) • (notevery #’(lambda (x) (evenp (print x))) ‘(2 4 6)) • (notany #’(lambda (x) (evenp (print x))) ‘(2 3 4)) • (notany #’(lambda (x) (evenp (print x))) ‘(3 5 7)) Katedra kybernetiky a umelej inteligencie FEI, TU v Košiciach

  4. Spracovanie zoznamu/sekvencie • (member-if #'evenp '(1 2 3)) • (member-if-not #'evenp '(1 2 3)) • (member-if #'evenp '(1 2 3) :key #'1+) • (remove-if #'oddp '(1 2 3 4 5)) • (remove-if-not #'oddp '(1 2 3 4 5)) • (remove-if #'oddp '(1 2 3 4 5) :key #’1+) • (remove-if (complement #'oddp) ‘(1 2 3 4 5)) Katedra kybernetiky a umelej inteligencie FEI, TU v Košiciach

  5. Redukcia zoznamu • (reduce #'list '(1 2 3)) • (reduce #'list '(1 2 3) :initial-value 0) • (reduce #'list '(1 2 3) :from-end t) • (reduce #'list '(1 2 3) :start 1) • (reduce #'list '(1 2 3) :end 2) Katedra kybernetiky a umelej inteligencie FEI, TU v Košiciach

  6. Mapovanie zoznamu • (mapcar #'- '(1 2 3)) • (mapcar #'+ '(1 2 3) '(12 12)) • (mapc #'(lambda (x) (print (- x))) '(1 2 3)) • (maplist #'append '(1 2 3) '(a b)) • (mapl #'(lambda (x) (print (length x))) '(1 2 3)) Katedra kybernetiky a umelej inteligencie FEI, TU v Košiciach

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