scala introduction 2018.06.12

Transcript

1. 4DBMB
   
   
   *OUSPEVDUJPO .BUTVNPUP
   
   5TVUPNV
   !NBUTVUPPN
   

2. ͸͡Ίʹ ࣗݾ঺հ
   ɹɹদຊɹ຿
   ɹɹձࣾһʢ౦ژຊࣾͷاۀۈ຿ʣ
   ɹɹόϦόϦ։ൃʂͯ͠·ͤΜ
   ɹɹ͕ɺݸਓతʹ4DBMBʹڵຯΛ࣋ͬͯ೥͕ͨͪ·ͨ͠
   ɹɹ΋ͬͱ
   4DBMB
   ͷྗΛ਎ʹ෇͚͍ͨத೥உͰ͢
   

3. ͸͡Ίʹ 4DBMBʢεΧϥʣͱ͸ʁ

4. ͸͡Ίʹ εΠε࿈๜޻Պେֶ
   &1'-
   
   
   
   
   
   
   
   
   ϚʔςΟϯɾΦʔμεΩʔڭत
   
   ൚༻ݴޠ͸εέʔϥϒϧͰͳͯ͘͸ͳΒͳ͍ɻ
   
   
   
   
   ಉ֓͡೦Ͱɺখ͍͞ϓϩάϥϜ΋େ͖ͳϓϩάϥϜ΋هड़Ͱ͖Δ΂͖Ͱ͋Δɻ 
   εέʔϥϏϦςΟ͸ؔ਺ܕݴޠͱΦϒδΣΫτࢦ޲ݴޠͷ
   
   
   
   
   ͭͷϓϩάϥϛϯάͷ֓೦Λ౷߹͠ɺҰൠԽ͢Δ͜ͱʹΑΓ࣮ݱͰ͖Δɻ
   #Z
   8JLJQFEJB

5. ͸͡Ίʹ ྺ࢙
   ೥ࠒʹ͸طʹઃܭ͕ਐΊΒΕ͓ͯΓ
   ೥ʹ͸ެ։͞Ε͍ͯΔɻ
   ೥ࠒʹ͸
   UXJUUFSͷόοΫΤϯυʹ࠾༻
   ೥ʹେ෯ͳมߋͷ4DBMB
   ͕ϦϦʔε
   ݱࡏͷόʔδϣϯ͸
   
   IUUQTXXXTDBMBMBOHPSH

6. ͸͡Ίʹ ΦϒδΣΫτࢦ޲ɹͱɹؔ਺ܕݴޠͷಛ௃Λ
   ߹Θͤ࣋ͭϓϩάϥϛϯάݴޠ
   +7.Ͱಈ࡞͠·͢

7. ͸͡Ίʹ ͱݴ͍ग़͢ͱɺएׯ
   খ೉͍͠ͷͰ

8. ͸͡Ίʹ ֶͼॳΊ͙ͯ͢ʹಈ͔ͤΔ
   ߏจͷޡΓ΋ίϯύΠϧ࣌ʹ
   ͔ͬ͠ΓνΣοΫͯ͘͠ΕΔ
   ༏͍͠ϓϩάϥϛϯάݴޠ

9. ͸͡Ίʹ ͱݴ͏ࣄͰ
   ·ͣಈ͔ͯ͠Έ·͠ΐ͏

10. 4DBTUJF IUUQTTDBTUJFTDBMBMBOHPSH

11. 4DBTUJF )FMMP
    4DBMB

12. 4DBTUJF ม਺એݴ
    
    ར༻

13. 3&1- ଞʹ΋

14. 3&1- ؆୯ʹ4DBMBͷίʔυยΛ࣮ߦՄೳ

15. 3&1- ৭ʑͳߏจ͕ࢼͤ·͢
    

16. 3&1- ৭ʑͳߏจ͕ࢼͤ·͢
    WBM
    OBNF
    
    l!NBUTVUPNVz
    WBS
    NPOFZ
    
    

17. 3&1- ৭ʑͳߏจ͕ࢼͤ·͢
    GPS Y
    
    
    UP
     \
    
    
    QSJOUMO Y
    ^

18. 3&1- WBM
    DPOEJUJPO
    
    lѱ͍
    DPOEJUJPO
    NBUDI
    \
    
    
    DBTF
    ྑ͍
    
    QSJOUMO ໷஗͘·Ͱ࢓ࣄ͢Δ
    
    
    DBTF
    ѱ͍
    
    QSJOUMO ̎̍࣌͝Ζʹ͸ؼ୐͢Δ
    ^

19. 3&1- WBM
    BHF
    DPOEJUJPO
    
    த೥ ѱ͍
    BHF
    DPOEJUJPO

    
    NBUDI
    \
    
    
    DBTF
    த೥
    ྑ͍
    
    QSJOUMO ૣ৸ૣى͖ʹͳΔ
    
    
    DBTF
    த೥
    ѱ͍
    
    QSJOUMO ૣ৸ૣى͖ʹͳΔ
    
    
    DBTF
    த೥
    
    @
    
    
    
    
    
    
    QSJOUMO ૣ৸ૣى͖ʹͳΔ
    
    
    DBTF
    
    @
    
    
    
    
    
    
    ྑ͍
    
    
    QSJOUMO ૣ৸ૣى͖ʹͳΔ
    
    
    DBTF
    
    @
    
    
    
    
    
    
    ѱ͍
    
    
    QSJOUMO ૣ৸ૣى͖ʹͳΔ
    
    
    DBTF
    
    @
    @
    
    
    QSJOUMO ૣ৸ૣى͖ʹͳΔ
    ^

20. 4VSQSJTF ಥવͰ͕͢ɾɾɾ

21. 4VSQSJTF ͜͜ͰΫΠζͰ͢

22. 4VSQSJTF ϕΫτϧ a, b ͕௚ߦ͢Δ͔Λ൑ఆ͢Δ਺ࣜ͸ʁ (ax1, ay1 ) (ax0 ,

    ay0 ) (bx0 , by0 ) (bx1 , by1 ) a b ʢࢀߟʣʰϓϩάϥϛϯάίϯςετ߈ུͷͨΊͷΞϧΰϦζϜͱσʔλߏ଄ʱɹ
    *4#/
    

23. 4VSQSJTF

24. 4VSQSJTF ϕΫτϧ a, b ͕௚ߦ͢Δ͔Λ൑ఆ͢Δ਺ࣜ͸ʁ (ax1, ay1 ) (ax0 ,

    ay0 ) (bx0 , by0 ) (bx1 , by1 ) a b ౴͑ ϕΫτϧͷ಺ੵ͕̌ͷ৔߹ʹ௚ߦ͢Δɻ aɾb = |a||b|cosθ = ax * bx + ay * by

25. 4VSQSJTF PCKFDU
    $HM4BNQMF
    \
    
    
    DBTF
    DMBTT
    1PJOU Y
    %PVCMF
    
    
    Z
    %PVCMF
    
    
    \
    
    
    
    
    EFG
    Q
    1PJOU 
    1PJOU
    
    1PJOU UIJTY
    

    
    QY
    UIJTZ
    
    QZ
    
    
    ^
    
    
    UZQF
    (FP7FDUPS
    
    1PJOU
    
    
    
    ಺ੵ
    
    
    EFG
    EPU B
    1PJOU
    C
    1PJOU 
    %PVCMF
    
    BY
    
    CY
    
    BZ
    
    CZ
    
    
    EFG
    JT0SUIPHPOBM B
    (FP7FDUPS
    C
    (FP7FDUPS 
    #PPMFBO
    
    EPU B
    C
    
    
    ^
    

26. ࣮༻ྫ Ͳ͏Ͱ͠ΐ͏͔ʁ
    ༏͍͠ϓϩάϥϛϯάݴޠ
    ͷΠϝʔδΛ࣋ͯ·͔ͨ͠ʁ

27. ࣮༻ྫ ࣮ࡍͷͱ͜Ζ͸ʁ
    اۀɾ044

28. ࣮༻ྫ ɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹʢࢀߟʣʲ4DBMBΛ࠾༻͍ͯ͠Δاۀ ϓϩμΫτ Ұཡʳɹɹɹ
    IUUQTRJJUBDPNPVCBLJPVJUFNTGEDBEBF ւ֎ 5XJUUFS -JOLFE*O 'PVS4RVBSF 1BZ1BM

    $PVSTFSB 5IF
    (VBSEJBO UVNCMS

29. ࣮༻ྫ ɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹʢࢀߟʣʲ4DBMBΛ࠾༻͍ͯ͠Δاۀ ϓϩμΫτ Ұཡʳɹɹɹ
    IUUQTRJJUBDPNPVCBLJPVJUFNTGEDBEBF ࠃ಺ υϫϯΰ ͸ͯͳ ηϓςʔχɾΦϦδφϧ ϏζϦʔν

    $IBU8PSL ΤϜεϦʔ /VMBC αΠόʔΤʔδΣϯτ

30. ࣮༻ྫ اۀ͚ͩͰͳ͘
    044΋݁ߏ͋Γ·͢

31. ࣮༻ྫ 4DBMB
    ͷ
    044
    Ұཡ ʢࢀߟʣʲ5IJT
    JT
    B
    NPTU
    QPQVMBS
    SFQPTJUPSZ
    MJTU
    GPS
    4DBMB
    TPSUFE
    CZ
    OVNCFS
    PG
    TUBSTʳɹɹɹ
    IUUQTHJUIVCDPNLBYBQBSMCMPCNBTUFS3&"%.&4DBMBNE

32. ࣮༻ྫ 1MBZ
    'SBNFXPSL
    8FC
    ΞϓϦέʔγϣϯ
    ϑϨʔϜϫʔΫ

33. ࣮༻ྫ σʔλϕʔεΞΫηε༻
    ʢؔ਺ܕʣ

34. ࣮༻ྫ TDBMBUSB
    8FC
    ϚΠΫϩϑϨʔϜϫʔΫ

35. ࣮༻ྫ 4LJOOZ
    'SBNFXPSL
    8FC
    ΞϓϦέʔγϣϯ
    ϑϨʔϜϫʔΫ

36. ࣮༻ྫ 4DBMJLF+%#$
    σʔλϕʔεΞΫηε༻

37. ࣮༻ྫ ෛՙࢼݧπʔϧʢ8FCʣ

38. ࣮༻ྫ ϝοηʔδϕʔεͷඇಉظॲཧΛ࣮ݱ

39. ࣮༻ྫ ετϦʔϛϯάॲཧ༻

40. ࣮༻ྫ େྔσʔλΛฒྻ෼ࢄॲཧ

41. ࣮༻ྫ ػցֶश༻ΞϓϦέʔγϣϯͷ։ൃࢧԉ

42. ࣮༻ྫ 4DBMB੡ͷ(JU
    ϓϥοτϗʔϜ

43. ·ͱΊ ͪΐͬͱͨ͠εΫϦϓτ
    8FCΞϓϦέʔγϣϯ
    σʔλϕʔεΞΫηε
    ฒྻॲཧ
    େྔσʔλॲཧ
    ։ൃࢧԉʢ(JU
    6OJU5FTU ίʔυॻࣜʣ
    ͳͲͳͲ
    

    4DBMB͸৭ʑͳιϑτ΢ΣΞ͕ଘࡏ

44. ·ͱΊ ͦͷഎܠʹ͸
    ΦϒδΣΫτࢦ޲
    
    ͱ
    ؔ਺ܕݴޠ
    ͱݴͬͨߟ͑ํ͚ͩͰͳ͘
    ৭ʑͳར఺͕͋Δͷͩͱࢥ͍·͢

45. ·ͱΊ ͜Ε͔ΒҰॹʹ4DBMBΛֶͼ·ͤΜ͔ʁ
    ͦͯ͠044ͷੈքʹೖ໳͠·ͤΜ͔ʁ