1.     a.  Not regular . ¥]§tµL­­´`Àô¤p¼Æ

        b. (a|b)(0|1|a|b)

        c. Not regular. (you can get the proof from TA)

       d.drawing1.jpg

       e.drawing2.jpg

    ¡

  2. ²Ä2,3ÃD§O§Ñ¤F­n§âstate½s¸¹¨Ãsimulate 'ababbab'

         ¦pªG§âDFA/NFAªº²Õ¦¨¹Lµ{or²¤Æ¹Lµ{¦C¥X§ó¦n

        (simulate «Ü²³æ,¤£¦C¤W¨Ó¤F)

       ¥Ñ©óVISIO ¤£¤ä´©TrueType¼Æ¾Ç¦r«¬ªºÂà¹Ï.©Ò¥Hempty transition¨S¦Csymbol. ·Q®³VSD¦³transitionªº¤Hª½±µ¨Ó§äTA.

         a .Drawing3.jpg 

         b. Drawing4.jpg  

  3. ¸Ô²ÓªºDFA¦pªG¬O¨Ï¥Î®i¶}ªk¨Ã¥B¨S¦³¥ý±NÃD2ªºNFA²¤Æ±N«Ü½ÆÂø. µª®×ªºÂ²³æª©¦p¤U:
  4. a.   ²²¤¬°: Drawing5.jpg

    b.  ²²¤¬°: Drawing6.jpg

  5. a.   Drawing7.jpg

    b.  Drawing8.jpg