File SIMPSO.
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FUNCTION SIMPSON(N,H,F)
C N=(UNGERADE) ANZAHL DER AEQUIDISTANTEN
C STUETZSTELLEN (N GROESSER 3)
C H=SCHRITTWEITE
C F=FELD DER FUNKTIONSWERTE AN DEN STUETZSTELLEN
DIMENSION F(N)
2 SIMPSON=F(1)+F(N)+4*F(N-1)
M=N-3
DO 8 I=2,M,2
8 SIMPSON=SIMPSON+2*F(I+1)+4(F(I)
SIMPSON=SIMPSON*H/3.
RETURN
END
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