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   DIMENSION X(3) , Y(3) , A(3, 3) , B(3) , JS(3)   
    DOUBLE PRECISION X, Y, A, B, T, H, Tm, Tm0, q   
    Double precision R=1.0E-4; dm=30.0E-3; km=383.0;
   * hw=40000.0; Tw=303.0   
    DATA X/ 0.1, 0.25, 0.25/     
    EPS= 1.0E-07     
    T= 0.1     
    H= 0.1     
    Tm0=550.0
5   Tm=Tm0      
      CALL FS(X,Y,N,Tm)           £¨ÓÃÓÚ¸ø³ö·ÇÏßÐÔ·½³Ì×éµÄ×Ó³ÌÐò£©     
     CALL DNETN( 3, X, Y, EPS, FS, T, H, A, B, L, JS, Tm)    £¨ÓÃÓÚ¼ÆËã·ÇÏßÐÔ·½³Ì×éµÄ×Ó³ÌÐò£©      
     WRITE( * , * )        
       WRITE( * , 30) L      
       WRITE( * , * )           
       DO 10 I= 1, 3
10   WRITE( * , 20) I, X( I)
20   FORMAT( 1X, 'X( ', I2, ') = ', D15. 6)
30   FORMAT( 1X, 'L= ', I4)      WRITE( * , * )     
     q=(1000.0*X(1)-Tm)/R                             £¨£¡£¡£¡£¡£¡¾ÍÊÇÕâ¸ö¼ÆË㹫ʽÐèÒªµ÷ÓüÆËãµÄ·½³Ì×éµÄÒ»¸ö½âX(1)ÓÃÓÚ¼ÆË㣬µ«ÊÇÃ²ËÆÊ½×Ó¼ÆËã½á¹û²»¶Ô£¬Êµ¼Ê²¢Ã»ÓÐÄÜÕýÈ·µÄÑ­»·¼ÆË㣬ѭ»·½á¹ûÓÀÔ¶Ö»ÓÐÒ»×éÏàͬµÄÊý¾Ý£©     
   Tmc=Tw+q*(dm/km+1/hw)     
     If(abs(Tm-Tmc) .gt. 1.0E-2) then        
         Tm0=(Tm+Tmc)/2                              £¨¸³Öµ¸øÐµÄTm0, ÒÔÓÃÓÚ5µÄÑ­»·¼ÆË㣩
         GOTO 5   
     endif     
     END

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