DataMuseum.dk

Presents historical artifacts from the history of:

CP/M

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about CP/M

Excavated with: AutoArchaeologist - Free & Open Source Software. 

top - download

⟦ff6e0b7e1⟧ TextFile

    Length: 1024 (0x400)
    Types: TextFile
    Names: »LOTKA.MGR«

Derivation

└─⟦c41625364⟧ Bits:30002680 PGM2 - indeholder forskellige undervisningsprogrammer
    └─ ⟦this⟧ »LOTKA.MGR« 
└─⟦cd307176b⟧ Bits:30002666 Programmer fra Forlaget FAG ApS
    └─ ⟦this⟧ »LOTKA.MGR«

TextFile

 -5.0000000000E+02
  2.2000000000E+04
  3.0000000000E+03
  1.0000000000E+03
  2.7500000000E+02
  7.0000000000E+02
  1.0000000000E+02
  3.0000000000E+02
  0.0000000000E+00
  2.4000000000E+01
  4.8000000000E+01
  0.0000000000E+00
  0.0000000000E+00
  1.0000000000E-02
  1.0000000000E+03
  2.0000000000E+01
(************************************************)
(*                                              *)
(*     et eksempel med diferentialligninger     *)
(*      lotka-volterra                          *)
(*                                              *)
(************************************************)

Konstanter
        a=1             b=-0.002
        c=0.00001;      d=-0.08
Differentialligning
mus'=(a+b*ræv)*mus      <9000>          (* startværdi *)
ræv'=(c*mus+d)*ræv      <354>
m'=(a+b*r)*m            <9000>
r'=(c*m+d)*r            <410>
Grafvariable
mus,ræv,l1
m,r,l3

«eof»