L02: Symbolic Computation and Common Lisp (Pre Lecture)
                                                        Dr. Neil T. Dantam
                                                  CSCI-561, Colorado School of Mines
                                                                Fall 2022
           Dantam (Mines CSCI-561)             L02: Symbolic Computation and Common Lisp (Pre Lecture)                 Fall 2022     1/58
   Kay on Lisp
   https://youtu.be/pUoBSC3uoeo?t=40m49s
           Dantam (Mines CSCI-561)             L02: Symbolic Computation and Common Lisp (Pre Lecture)                 Fall 2022     2/58
   “Maxwell’s Equations of Programming”
           Dantam (Mines CSCI-561)          L02: Symbolic Computation and Common Lisp (Pre Lecture)             Fall 2022   3/58
    What is Lisp?
                              Definition (Lisp)
                                     A family of programming languages based on s-expressions.
                                                                            Data Structure
          “Math”                                                                                                                                             NIL
          n! = (1                       if n = 0                            defun            factorial              n          NIL
                    n∗(n−1)! if n 6= 0
                                                                                                                     1                                   NIL
                                                                               if                                      0         NIL
          Code                                                                                  =          n
         ( defun fact (n)                                                                                                         NIL
             ( i f   (= n 0)                                                      *                n                                    NIL
                     1
                     (∗ n (fact (− n 1)))))                                                                factorial                             1         NIL
                                                                                                                          -          n
               Dantam (Mines CSCI-561)                       L02: Symbolic Computation and Common Lisp (Pre Lecture)                                        Fall 2022         4/58