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CC PAGE NUMERICAL MATHEMATICS

Found at: ftp.icm.edu.pl:70/packages/netlib/cheney-kincaid/taylor.f

C
C PAGE 307: NUMERICAL MATHEMATICS AND COMPUTING, CHENEY/KINCAID, 1985
C
C FILE: TAYLOR.FOR
C
C TAYLOR SERIES METHOD (ORDER 4) FOR SOLVING AN ORDINARY DIFFERENTIAL EQUATION
C
      DATA  T,X/2*0.0/, H/7.8125E-3/  
      PRINT 3,T,X 
      DO 2 K=1,128
        X1 = 1.0 + X*X + T**3 
        X2 = 2.0*X*X1 + 3.0*T*T       
        X3 = 2.0*X*X2 + 2.0*X1*X1 + 6.0*T       
        X4 = 2.0*X*X3 + 6.0*X1*X2 + 6.0 
        X = X + H*(X1 + H*(X2/2.0 + H*(X3/6.0 + H*X4/24.0)))
        T = REAL(K)*H       
      PRINT 3,T,X 
   2  CONTINUE
   3  FORMAT(5X,F10.5,5X,E22.14)      
      STOP
      END 

		
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