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NUMERICAL LAB TOOLBOX

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Title: NUMERICAL LAB TOOLBOX


1
NUMERICAL LAB TOOLBOX
2
??
  • ???????????????????????????????????????,???
    ??????????? ?????????????,????????????????????????
    ?,??????????????????????,???MATLAB??????????(Nume
    rical Lab Toolbox),???????????????,???????????????
    ????????????,??????,?????????????(GUI)???,????????
    ??????,????????????,??????????????????????????????
    ?CAI??????,??????????????????????????????????,????
    ????????????????????????,????????CGI????????????,?
    ???????Java??,??????????

3
??
  • ??? ??
  • ??? ?????
  • ??? ????????
  • ??? ??

4
??? ??
  • 1.1 ????
  • 1.2 MATLAB??
  • 1.3 ????

5
??? ?????
  • 2.1 ??
  • 2.2 ?????????,?25???
  • 2.3 ??????

6
??? ????
  • 1. ????????????

7
2. Bezier curve ? tracing point
8
3. Composite Simpsons integration
9
4.?? Adams Bashforth ?????
10
5. 1-Norm ? eigenvalue, eigenvector
11
6. Step function ?????????
12
7. Steepest descent
13
8. Shooting method ? ODE BVP
14
??? ??
  • ??????????????????????????,???????????,?????
    ????????????????????????????????????????????,?????
    ?????????????,?????????????,???????????,??????,???
    ????????,????????,?????????????????????CAI?????,??
    ????,???????????????????,??????????,????,????CAI??
    ?????????????????????,????????CGI????????????,????
    ????Java??,????????????

15
????
  • Numerical Lab ToolBox ????MATLAB 5,????????
    Symbolic Math ToolBox.

16
????(?)
  • ?????????,????????????????????.
  • ?????????????????,?????????????????,???????????.
  • ????????????,?????????????????.
  • ??????????(CAI)?????(constructivism)?????,???MATLA
    B?????-?????(Numerical Lab Toolbox).

17
????(?)
  • ???FORTRAN?C??,????????????MATLAB?????????,?????
    ?? MATLAB???????.
  • ??MATLAB?????
  • ???????????.
  • MATLAB????????????.
  • MATLAB???????.
  • ????????.
  • ????????????.
  • ???????(GUI)??????.

18
MATLAB???
  • 1. ???????????.
  • 2. ?????????????.
  • 3. ?????????.
  • 4. ????????.
  • 5. ??????.
  • 6. ??????????Meditor.
  • 7. ???????????.
  • 8. ???MEX?(MATLAB),DLL?(VB,EXCEL,DELPHI)
  • ,EXE?(C).
  • 9. ???????????.
  • 10. ???.
  • 11. WWW?.

19
????
  • ???????????????.
  • ????????????????????.
  • ????????????.
  • ??????????????????.

20
????????????
21
????????
  • 1. ?????????.
  • 2. ?????????????????
  • ????????.
  • 3. ?????????????.
  • 4. ?????????.
  • 5. ?????????????????
  • ?.

22
???????????(?)
  • ????

23
???????????(?)
  • ??? ??????????????
  • 1. ???????
  • ??? ????????
  • 1. ???(bisection method)
  • 2. ??????(fixed point iteration)
  • 3. ???(Newton-Raphson method)
  • 4. ???(secant method)
  • 5. ???(method of false position)
  • 6. Logistic map

24
???????????(?)
  • ??? ??????????
  • 1. ????(Lagrange)??????
  • 2. ???????????????
  • 3. ????????????
  • 4. ??????????????
  • ??? ???????
  • 1. ?????????????
  • 2. ????????
  • 3. ???????(composite numerical integration)

25
???????????(?)
  • 4. ???????(adaptive quadrature)
  • 5. ?????(Gaussian quadrature)
  • ??? ??????????
  • 1. ???????????
  • 2. ????????????
  • ??? ??????
  • 1. ????????(norm)
  • 2. Gerschgorin ???

26
???????????(?)
  • ??? ????
  • 1. ?????
  • 2. ??????????
  • ??? ??????????
  • 1. ??????????
  • 2. ?????(steepest descent techniques)
  • ??? ???????????
  • 1. ?????(shooting method)??????
  • ???????????

27
????????????
  • 1. MATLAB zoom????
  • 2. ?????????????????
  • ?A-????(A-stability region)
  • 3. Bezier???tracing point
  • 4. ???(direction field)
  • 5. MATLAB ginput ????

28
MATLAB zoom ????
  • MATLAB zoom??????????erasemode?xor??.
  • ??????,???????????????????.
  • ??myzoom.m???????.

29
A-????(A-stability region)
  • ??????????????,?????????,??????????A-?????
  • ?Runge-Kutta method?A-?????
  • ??MATLAB????????A-????,????????????????

30
Runge-Kutta method?A-????
31
Bezier??
32
Bezier ??? tracing point
  • Bezier?????tracing point???,??????,????????????
    ??????,???????????Bezier????tracing
    point??4?????3??Bezier??,t0.4??,??????0???1,?trac
    ing point???????Bezier??,?tracing
    point??????????de Casteljaus algorithm

33
???(direction field) (?)
  • ??MATLAB??quiver,????????????
  • ???????????,????????????
  • ??????????????

34
???(direction field) (?)
  • ???dy/dxy-x21????
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